Research classified by Journal of Economic Literature (JEL) codes

2013

• Pernilla Andersson Joona & Eskil Wadensjö, 2013, "The best and the brightest or the least successful? Self-employment entry among male wage-earners in Sweden," Small Business Economics, Springer, volume 40, issue 1, pages 155-172, January, DOI: 10.1007/s11187-011-9365-0.
• Aloña Martiarena, 2013, "What’s so entrepreneurial about intrapreneurs?," Small Business Economics, Springer, volume 40, issue 1, pages 27-39, January, DOI: 10.1007/s11187-011-9348-1.
• Haifeng Qian & Zoltan Acs, 2013, "An absorptive capacity theory of knowledge spillover entrepreneurship," Small Business Economics, Springer, volume 40, issue 2, pages 185-197, February, DOI: 10.1007/s11187-011-9368-x.
• Rui Baptista & Francisco Lima & Miguel Preto, 2013, "Entrepreneurial skills and workers’ wages in small firms," Small Business Economics, Springer, volume 40, issue 2, pages 309-323, February, DOI: 10.1007/s11187-012-9463-7.
• Mirjam Praag & Arjen van Witteloostuijn & Justin van der Sluis, 2013, "The higher returns to formal education for entrepreneurs versus employees," Small Business Economics, Springer, volume 40, issue 2, pages 375-396, February, DOI: 10.1007/s11187-012-9443-y.
• Saras Sarasvathy & Anil Menon & Graciela Kuechle, 2013, "Failing firms and successful entrepreneurs: serial entrepreneurship as a temporal portfolio," Small Business Economics, Springer, volume 40, issue 2, pages 417-434, February, DOI: 10.1007/s11187-011-9412-x.
• Enrico Santarelli & Hien Tran, 2013, "The interplay of human and social capital in shaping entrepreneurial performance: the case of Vietnam," Small Business Economics, Springer, volume 40, issue 2, pages 435-458, February, DOI: 10.1007/s11187-012-9427-y.
• José Millán & Jolanda Hessels & Roy Thurik & Rafael Aguado, 2013, "Determinants of job satisfaction: a European comparison of self-employed and paid employees," Small Business Economics, Springer, volume 40, issue 3, pages 651-670, April, DOI: 10.1007/s11187-011-9380-1.
• Martin Binder & Alex Coad, 2013, "Life satisfaction and self-employment: a matching approach," Small Business Economics, Springer, volume 40, issue 4, pages 1009-1033, May, DOI: 10.1007/s11187-011-9413-9.
• Francesco Barbera & Ken Moores, 2013, "Firm ownership and productivity: a study of family and non-family SMEs," Small Business Economics, Springer, volume 40, issue 4, pages 953-976, May, DOI: 10.1007/s11187-011-9405-9.
• Zuzana Brixiova, 2013, "Modeling productive entrepreneurship in developing countries," Small Business Economics, Springer, volume 41, issue 1, pages 183-194, June, DOI: 10.1007/s11187-011-9410-z.
• Michael Stuetzer & Martin Obschonka & Eva Schmitt-Rodermund, 2013, "Balanced skills among nascent entrepreneurs," Small Business Economics, Springer, volume 41, issue 1, pages 93-114, June, DOI: 10.1007/s11187-012-9423-2.
• Mirjam Praag & André Stel, 2013, "The more business owners, the merrier? The role of tertiary education," Small Business Economics, Springer, volume 41, issue 2, pages 335-357, August, DOI: 10.1007/s11187-012-9436-x.
• Andreas Koch & Jochen Späth & Harald Strotmann, 2013, "The role of employees for post-entry firm growth," Small Business Economics, Springer, volume 41, issue 3, pages 733-755, October, DOI: 10.1007/s11187-012-9456-6.
• Zoltan Acs & David Audretsch & Erik Lehmann, 2013, "The knowledge spillover theory of entrepreneurship," Small Business Economics, Springer, volume 41, issue 4, pages 757-774, December, DOI: 10.1007/s11187-013-9505-9.
• David Audretsch & Maksim Belitski, 2013, "The missing pillar: the creativity theory of knowledge spillover entrepreneurship," Small Business Economics, Springer, volume 41, issue 4, pages 819-836, December, DOI: 10.1007/s11187-013-9508-6.
• Young Jun Chun, 2013, "The Growth Effects of Population Aging in an Economy with Endogenous Technological Progress," Korean Economic Review, Korean Economic Association, volume 29, pages 51-80.
• Ken-ichi Hashimoto & Ken Tabata, 2013, "Rising Longevity, Human Capital and Fertility in Overlapping Generations Version of an R&D-based Growth Model," Discussion Paper Series, School of Economics, Kwansei Gakuin University, number 104, May, revised May 2013.
• Ion Ghizdeanu & Dorin Jula & Marioara Iordan & Mihaela Nona Chilian & Tiberiu Diaconescu, 2013, "Medium Term Projections of Demand for Labor With Higher Education and of Employed Population in Romania," Knowledge Horizons - Economics, Faculty of Finance, Banking and Accountancy Bucharest,"Dimitrie Cantemir" Christian University Bucharest, volume 5, issue 2, pages 112-118, June.
• Edgar Vogel & Alexander Ludwig & Axel Bцrsch-Supan, 2013, "Aging and Pension Reform: Extending the Retirement Age and Human Capital Formation," Working Paper Series in Economics, University of Cologne, Department of Economics, number 59, Feb.
• Deniz Gevrek & Z. Eylem Gevrek & Cahit Guven, 2013, "Benefits of Education at the Intensive Margin: Childhood Academic Performance and Adult Outcomes among American Immigrants," Working Paper Series of the Department of Economics, University of Konstanz, Department of Economics, University of Konstanz, number 2013-11, Jun.
• Antonio Di Paolo & Aysit Tansel, 2013, "Returns to Foreign Language Skills in a Developing Country: The Case of Turkey," Koç University-TUSIAD Economic Research Forum Working Papers, Koc University-TUSIAD Economic Research Forum, number 1322, Nov.
• Poór, József, 2013, "Az emberierőforrás-gazdálkodás átalakulása a nemzetközi cégek leányvállalatainál Magyarországon és a kelet-európai régióban
  [Changes of HR function at local subsidiaries of foreign-owned firms in Hungary and the CEE Region]," Közgazdasági Szemle (Economic Review - monthly of the Hungarian Academy of Sciences), Közgazdasági Szemle Alapítvány (Economic Review Foundation), volume 0, issue 1, pages 64-89.
• Anisa Gul Bhatti, 2013, "An Analysis of the General and Gender Difference Regarding Emotional Intelligence among Employees: Evidence from Government and Non-Government Organizations of Hyderabad," KASBIT Business Journals (KBJ), Khadim Ali Shah Bukhari Institute of Technology (KASBIT), volume 6, pages 106-113, December.
• Charles Asenime & Akinlabi Hamed, 2013, "An Exploratory Evaluation of the Employment Role of Commercial Cart Pushing in Metropolitan Lagos," KASBIT Business Journals (KBJ), Khadim Ali Shah Bukhari Institute of Technology (KASBIT), volume 6, pages 14-28, December.
• A.K.M. Mominul Haque Talukder & Md. Irfanuzzaman Khan, 2013, "Human Resource Planning and Competitive Advantage: Investigating the Relationship," KASBIT Business Journals (KBJ), Khadim Ali Shah Bukhari Institute of Technology (KASBIT), volume 6, pages 29-37, December.
• Haradhan Kumar Mohajan, 2013, "Human Rights in Bangladesh: Stresses on the Period of 2009 to 2012," KASBIT Business Journals (KBJ), Khadim Ali Shah Bukhari Institute of Technology (KASBIT), volume 6, pages 38-64, December.
• A.K.M. Mominul Haque Talukder, 2013, "Human Resource Consultancy and Organizational Growth: Exploring the Relationship," KASBIT Business Journals (KBJ), Khadim Ali Shah Bukhari Institute of Technology (KASBIT), volume 6, pages 65-73, December.
• Yosuke Furukawa & Hiroki Toyoda, 2013, "Job polarization and jobless recoveries in Japan: Evidence from 1984 to 2010," KIER Working Papers, Kyoto University, Institute of Economic Research, number 874, Jun.
• Nicola Branson & Cally Ardington & David Lam & Murray Leibbrandt, 2013, "Changes in education, employment and earnings in South Africa – A cohort analysis," SALDRU Working Papers, Southern Africa Labour and Development Research Unit, University of Cape Town, number 105.
• Lam, David & Ardington, Cally & Branson, Nicola & Leibbrandt, Murray, 2013, "Credit constraints and the racial gap in post-secondary education in South Africa," SALDRU Working Papers, Southern Africa Labour and Development Research Unit, University of Cape Town, number 111.
• Luigi Aldieri & Concetto Paolo Vinci, 2013, "Education and Fertility: A comparative Micro-econometric Analysis in Europe," European Journal of Comparative Economics, Cattaneo University (LIUC), volume 10, issue 1, pages 109-120, April.
• Monazza Aslam & Shenila Rawal, 2013, "Preparing Women of Substance? Education, Training, and Labor Market Outcomes for Women in Pakistan," Lahore Journal of Economics, Department of Economics, The Lahore School of Economics, volume 18, issue Special E, pages 93-128, September.
• Piopiunik, Marc & Schwerdt, Guido & Wößmann, Ludger, 2013, "Central school exit exams and labor-market outcomes," Munich Reprints in Economics, University of Munich, Department of Economics, number 19325.
• Cervellati, Matteo & Sunde, Uwe, 2013, "Life Expectancy, Schooling, and Lifetime Labor Supply: Theory and Evidence Revisited," Munich Reprints in Economics, University of Munich, Department of Economics, number 20077.
• Hanushek, Eric A. & Link, Susanne & Wößmann, Ludger, 2013, "Does school autonomy make sense everywhere? Panel estimates from PISA," Munich Reprints in Economics, University of Munich, Department of Economics, number 20465.
• Dirk Oberschachtsiek, 2013, "Human Capital Diversity and Entrepreneurship. Results from the regional individual skill dispersion nexus on self-employment activity," Working Paper Series in Economics, University of Lüneburg, Institute of Economics, number 289, Dec.
• Julie Beugnot & Bernard Fortin & Guy Lacroix & Marie Claire Villeval, 2013, "Social Networks and Peer Effects at Work," Cahiers de recherche, CIRPEE, number 1320.
• Michèle Belot & Marina Schröder, 2013, "Does Monitoring Work? A Field Experiment with Multiple Forms of Counterproductive Behaviour," FEMM Working Papers, Otto-von-Guericke University Magdeburg, Faculty of Economics and Management, number 130006, Apr.
• Wenya Cheng & John Morrow & Kitjawat Tacharoen, 2013, "Productivity As If Space Mattered: An Application to Factor Markets Across China," Economics Discussion Paper Series, Economics, The University of Manchester, number 1320.
• Franz Westermaier & Brant Morefield & Andrea Mühlenweg, 2013, "Impacts of Parental Health Shocks on Children’s NonCognitive Skills," MAGKS Papers on Economics, Philipps-Universität Marburg, Faculty of Business Administration and Economics, Department of Economics (Volkswirtschaftliche Abteilung), number 201312.
• Shintaro Yamaguchi, 2013, "Changes in Returns to Task-Specific Skills and Gender Wage Gap," Department of Economics Working Papers, McMaster University, number 2013-01, Jan.
• Shinya Kajitani, 2013, "Is a Blue-collar Job Bad for Your Long-term Health?," Discussion Papers, Meisei University, School of Economics, number 23, Feb.
• Antonio Di Paolo & Aysit Tansel, 2013, "Returns to Foreign Language Skills in a Developing Country: The Case of Turkey," ERC Working Papers, ERC - Economic Research Center, Middle East Technical University, number 1311, Nov, revised Nov 2013.
• Boris Urban, 2013, "Social Entrepreneurship in an Emerging Economy: A Focus on the Institutional Environment and Social Entrepreneurial Self-Efficacy," Managing Global Transitions, University of Primorska, Faculty of Management Koper, volume 11, issue 1 (Spring, pages 3-25.
• Judita Peterlin & Vlado Dimovski & Sandra Penger, 2013, "Creation of Sustainable Leadership Development: Conceptual Model Validation," Managing Global Transitions, University of Primorska, Faculty of Management Koper, volume 11, issue 2 (Summer, pages 201-216.
• Richard C. Barnett & Joydeep Bhattacharya & Mikko Puhakka, 2013, "Patience Cycles," Journal of Institutional and Theoretical Economics (JITE), Mohr Siebeck, Tübingen, volume 169, issue 2, pages 339-354, June, DOI: 10.1628/093245613X13620416111281.
• Gábor Lux, 2013, "Az újraiparosítás lehetőségei: Fejlesztési együttműködés a periférián," Eszak-magyarorszagi Strategiai Fuzetek, Faculty of Economics, University of Miskolc, volume 10, issue 1, pages 4-13.
• Bettina Martus, 2013, "Hol van a (kor)határ? - A gyermekmunka következményei és megoldási lehetőségei," Eszak-magyarorszagi Strategiai Fuzetek, Faculty of Economics, University of Miskolc, volume 10, issue 2, pages 100-115.
• László Barna, 2013, "Assessing the Importance of Project Management Soft Competencies in an IT and Telecommunication Company," Theory Methodology Practice (TMP), Faculty of Economics, University of Miskolc, volume 9, issue 01, pages 17-21.
• Michele Bruni, 2013, "Labor market and demographic scenarios for ASEAN countries (2010-35). Education, skill development, manpower needs, migration flows and economic growth," Department of Economics (DEMB), University of Modena and Reggio Emilia, Department of Economics "Marco Biagi", number 0006, Jan.
• Marina Murat, 2013, "Education ties and investments abroad. Empirical evidence from the US and UK," Department of Economics (DEMB), University of Modena and Reggio Emilia, Department of Economics "Marco Biagi", number 0014, Jun.
• Marina Murat, 2013, "Education ties and investments abroad. Empirical evidence from the US and UK," Center for Economic Research (RECent), University of Modena and Reggio E., Dept. of Economics "Marco Biagi", number 091, Jul.
• Cahit Guven & Asadul Islam, 2013, "Age at Migration, Language Proficiency and Socio-economic Outcomes: Evidence from Australia," Monash Economics Working Papers, Monash University, Department of Economics, number 18-13, May.
• Ekrame Boubtane & Jean-Christophe Dumont, 2013, "Immigration and economic growth in the OECD countries 1986-2006: A panel data analysis," Documents de travail du Centre d'Economie de la Sorbonne, Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne, number 13013, Feb.
• Ekrame Boubtane & Jean-Christophe Dumont & Christophe Rault, 2013, "Immigration and economic growth in the OECD countries 1986-2006," Documents de travail du Centre d'Economie de la Sorbonne, Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne, number 13013r, Feb, revised Jan 2015, DOI: 10.1093/oep/gpw001.
• Giuseppe Lucio Gaeta, 2013, "Matching Advanced Studies to the Skills Required for Work: The Case of PhD. Graduates in Italy," Economia dei Servizi, Società editrice il Mulino, issue 2, pages 177-188.
• Gabriele Ballarino & Stefani Scherer, 2013, "More investment, less returns? Changing returns to education in Italy across three decades," Stato e mercato, Società editrice il Mulino, issue 3, pages 359-388.
• Robert Quinn & Jamie Price Pelley, 2013, "The Demand for Legal Education," Journal of Economic Insight, Missouri Valley Economic Association, volume 39, issue 2, pages 17-34.
• P. Heuse, 2013, "The 2012 social balance sheet," Economic Review, National Bank of Belgium, issue iii, pages 101-137, December.
• Ajay Agrawal & John Horton & Nicola Lacetera & Elizabeth Lyons, 2015, "Digitization and the Contract Labor Market: A Research Agenda," NBER Chapters, National Bureau of Economic Research, Inc, "Economic Analysis of the Digital Economy".
• Ajay Agrawal & John McHale & Alexander Oettl, 2014, "Collaboration, Stars, and the Changing Organization of Science: Evidence from Evolutionary Biology," NBER Chapters, National Bureau of Economic Research, Inc, "The Changing Frontier: Rethinking Science and Innovation Policy".
• Richard B. Freeman & Ina Ganguli & Raviv Murciano-Goroff, 2014, "Why and Wherefore of Increased Scientific Collaboration," NBER Chapters, National Bureau of Economic Research, Inc, "The Changing Frontier: Rethinking Science and Innovation Policy".
• Joseph G. Altonji & Lisa B. Kahn & Jamin D. Speer, 2013, "Cashier or Consultant? Entry Labor Market Conditions, Field of Study, and Career Success," NBER Chapters, National Bureau of Economic Research, Inc, "Labor Markets in the Aftermath of the Great Recession".
• Edward P. Lazear & Kathryn L. Shaw & Christopher Stanton, 2013, "Making Do With Less: Working Harder during Recessions," NBER Chapters, National Bureau of Economic Research, Inc, "Labor Markets in the Aftermath of the Great Recession".
• Nicola Pavoni & Ofer Setty & Giovanni L. Violante, 2013, "Search and Work in Optimal Welfare Programs," NBER Working Papers, National Bureau of Economic Research, Inc, number 18666, Jan.
• Andrew J. Epstein & Sean Nicholson & David A. Asch, 2013, "The Production of and Market for New Physicians' Skill," NBER Working Papers, National Bureau of Economic Research, Inc, number 18678, Jan.
• Jason Fletcher, 2013, "The Effects of Childhood ADHD on Adult Labor Market Outcomes," NBER Working Papers, National Bureau of Economic Research, Inc, number 18689, Jan.
• Richard J. Murnane, 2013, "U.S High School Graduation Rates: Patterns and Explanations," NBER Working Papers, National Bureau of Economic Research, Inc, number 18701, Jan.
• David H. Autor, 2013, "The "Task Approach" to Labor Markets: An Overview," NBER Working Papers, National Bureau of Economic Research, Inc, number 18711, Jan.
• Ajay K. Agrawal & Nicola Lacetera & Elizabeth Lyons, 2013, "Does Information Help or Hinder Job Applicants from Less Developed Countries in Online Markets?," NBER Working Papers, National Bureau of Economic Research, Inc, number 18720, Jan.
• Jonathan R. Clark & Robert S. Huckman & Bradley R. Staats, 2013, "Learning from Customers: Individual and Organizational Effects in Outsourced Radiological Services," NBER Working Papers, National Bureau of Economic Research, Inc, number 18723, Jan.
• Jeffrey Grogger & Gordon H. Hanson, 2013, "Attracting Talent: Location Choices of Foreign-Born PhDs in the US," NBER Working Papers, National Bureau of Economic Research, Inc, number 18780, Feb.
• Brant Abbott & Giovanni Gallipoli & Costas Meghir & Giovanni L. Violante, 2013, "Education Policy and Intergenerational Transfers in Equilibrium," NBER Working Papers, National Bureau of Economic Research, Inc, number 18782, Feb.
• Peter Arcidiacono & Esteban M. Aucejo & V. Joseph Hotz, 2013, "University Differences in the Graduation of Minorities in STEM Fields: Evidence from California," NBER Working Papers, National Bureau of Economic Research, Inc, number 18799, Feb.
• Paula Stephan & Chiara Franzoni & Giuseppe Scellato, 2013, "Choice of Country by the Foreign Born for PhD and Postdoctoral Study: A Sixteen-Country Perspective," NBER Working Papers, National Bureau of Economic Research, Inc, number 18809, Feb.
• Barbara L. Wolfe & Jason Fletcher, 2013, "Estimating Benefits from University-Level Diversity," NBER Working Papers, National Bureau of Economic Research, Inc, number 18812, Feb.
• Loreto Reyes & Jorge Rodríguez & Sergio S. Urzúa, 2013, "Heterogeneous Economic Returns to Postsecondary Degrees: Evidence from Chile," NBER Working Papers, National Bureau of Economic Research, Inc, number 18817, Feb.
• Jerome Adda & Christian Dustmann & Costas Meghir & Jean-Marc Robin, 2013, "Career Progression, Economic Downturns, and Skills," NBER Working Papers, National Bureau of Economic Research, Inc, number 18832, Feb.
• Edgar Vogel & Alexander Ludwig & Axel Börsch-Supan, 2013, "Aging and Pension Reform: Extending the Retirement Age and Human Capital Formation," NBER Working Papers, National Bureau of Economic Research, Inc, number 18856, Feb.
• Michael Baker & Kevin Milligan, 2013, "Boy-Girl Differences in Parental Time Investments: Evidence from Three Countries," NBER Working Papers, National Bureau of Economic Research, Inc, number 18893, Mar.
• Elizabeth Ananat & Shihe Fu & Stephen L. Ross, 2013, "Race-Specific Agglomeration Economies: Social Distance and the Black-White Wage Gap," NBER Working Papers, National Bureau of Economic Research, Inc, number 18933, Apr.
• Joshua Graff Zivin & Matthew Neidell, 2013, "Environment, Health, and Human Capital," NBER Working Papers, National Bureau of Economic Research, Inc, number 18935, Apr.
• Todd Stinebrickner & Ralph Stinebrickner, 2013, "Academic Performance and College Dropout: Using Longitudinal Expectations Data to Estimate a Learning Model," NBER Working Papers, National Bureau of Economic Research, Inc, number 18945, Apr.
• Richard Blundell & Monica Costa Dias & Costas Meghir & Jonathan M. Shaw, 2013, "Female Labour Supply, Human Capital and Welfare Reform," NBER Working Papers, National Bureau of Economic Research, Inc, number 19007, May.
• Mitsukuni Nishida & Amil Petrin & Sašo Polanec, 2013, "Exploring Reallocation's Apparent Weak Contribution to Growth," NBER Working Papers, National Bureau of Economic Research, Inc, number 19012, May.
• Roland G. Fryer, Jr. & Philipp Harms, 2013, "Two-Armed Restless Bandits with Imperfect Information: Stochastic Control and Indexability," NBER Working Papers, National Bureau of Economic Research, Inc, number 19043, May.
• Philip Oreopoulos & Uros Petronijevic, 2013, "Making College Worth It: A Review of Research on the Returns to Higher Education," NBER Working Papers, National Bureau of Economic Research, Inc, number 19053, May.
• Maury Gittleman & Morris M. Kleiner, 2013, "Wage Effects of Unionization and Occupational Licensing Coverage in the United States," NBER Working Papers, National Bureau of Economic Research, Inc, number 19061, May.
• James J. Heckman & Lakshmi K. Raut, 2013, "Intergenerational Long Term Effects of Preschool - Structural Estimates from a Discrete Dynamic Programming Model," NBER Working Papers, National Bureau of Economic Research, Inc, number 19077, May.
• George J. Borjas, 2013, "The Slowdown in the Economic Assimilation of Immigrants: Aging and Cohort Effects Revisited Again," NBER Working Papers, National Bureau of Economic Research, Inc, number 19116, Jun.
• Flavio Cunha & Irma Elo & Jennifer Culhane, 2013, "Eliciting Maternal Expectations about the Technology of Cognitive Skill Formation," NBER Working Papers, National Bureau of Economic Research, Inc, number 19144, Jun.
• Hoyt Bleakley & Joseph P. Ferrie, 2013, "Up from Poverty? The 1832 Cherokee Land Lottery and the Long-run Distribution of Wealth," NBER Working Papers, National Bureau of Economic Research, Inc, number 19175, Jun.
• Olesya Baker & Kevin Lang, 2013, "The Effect of High School Exit Exams on Graduation, Employment, Wages and Incarceration," NBER Working Papers, National Bureau of Economic Research, Inc, number 19182, Jun.
• Kevin M. Stange, 2013, "Differential Pricing in Undergraduate Education: Effects on Degree Production by Field," NBER Working Papers, National Bureau of Economic Research, Inc, number 19183, Jun.
• Jason M. Fletcher & Stephen L. Ross & Yuxiu Zhang, 2013, "The Consequences of Friendships: Evidence on the Effect of Social Relationships in School on Academic Achievement," NBER Working Papers, National Bureau of Economic Research, Inc, number 19215, Jul.
• Kasey Buckles & Andreas Hagemann & Ofer Malamud & Melinda S. Morrill & Abigail K. Wozniak, 2013, "The Effect of College Education on Health," NBER Working Papers, National Bureau of Economic Research, Inc, number 19222, Jul.
• James Feyrer & Dimitra Politi & David N. Weil, 2013, "The Cognitive Effects of Micronutrient Deficiency: Evidence from Salt Iodization in the United States," NBER Working Papers, National Bureau of Economic Research, Inc, number 19233, Jul.
• Justine S. Hastings & Christopher A. Neilson & Seth D. Zimmerman, 2013, "Are Some Degrees Worth More than Others? Evidence from college admission cutoffs in Chile," NBER Working Papers, National Bureau of Economic Research, Inc, number 19241, Jul.
• Ross Levine & Yona Rubinstein, 2013, "Smart and Illicit: Who Becomes an Entrepreneur and Do They Earn More?," NBER Working Papers, National Bureau of Economic Research, Inc, number 19276, Aug.
• Peter J. Kuhn & Marie-Claire Villeval, 2013, "Are Women More Attracted to Cooperation Than Men?," NBER Working Papers, National Bureau of Economic Research, Inc, number 19277, Aug.
• Richard B. Freeman, 2013, "One Ring to Rule Them All? Globalization of Knowledge and Knowledge Creation," NBER Working Papers, National Bureau of Economic Research, Inc, number 19301, Aug.
• Benjamin L. Castleman & Bridget Terry Long, 2013, "Looking Beyond Enrollment: The Causal Effect of Need-Based Grants on College Access, Persistence, and Graduation," NBER Working Papers, National Bureau of Economic Research, Inc, number 19306, Aug.
• Mette Foged & Giovanni Peri, 2013, "Immigrants' and Native Workers: New Analysis on Longitudinal Data," NBER Working Papers, National Bureau of Economic Research, Inc, number 19315, Aug.
• Orla Doyle & Colm Harmon & James J. Heckman & Caitriona Logue & Seong Moon, 2013, "Measuring Investment in Human Capital Formation: An Experimental Analysis of Early Life Outcomes," NBER Working Papers, National Bureau of Economic Research, Inc, number 19316, Aug.
• Edward P. Lazear & Kathryn L. Shaw & Christopher Stanton, 2013, "Making Do With Less: Working Harder During Recessions," NBER Working Papers, National Bureau of Economic Research, Inc, number 19328, Aug.
• Nicole M. Fortin & Philip Oreopoulos & Shelley Phipps, 2013, "Leaving Boys Behind: Gender Disparities in High Academic Achievement," NBER Working Papers, National Bureau of Economic Research, Inc, number 19331, Aug.
• Hoyt Bleakley & Joseph P. Ferrie, 2013, "Shocking Behavior : Random Wealth in Antebellum Georgia and Human Capital Across Generations," NBER Working Papers, National Bureau of Economic Research, Inc, number 19348, Aug.
• Lisa Barrow & Cecilia E. Rouse, 2013, "Financial Incentives and Educational Investment: The Impact of Performance-Based Scholarships on Student Time Use," NBER Working Papers, National Bureau of Economic Research, Inc, number 19351, Aug.
• Melvin Stephens, Jr. & Dou-Yan Yang, 2013, "Compulsory Education and the Benefits of Schooling," NBER Working Papers, National Bureau of Economic Research, Inc, number 19369, Aug.
• Ross Levine & Yona Rubinstein, 2013, "Liberty for More: Finance and Educational Opportunities," NBER Working Papers, National Bureau of Economic Research, Inc, number 19380, Aug.
• George J. Borjas & Kirk B. Doran, 2013, "Prizes and Productivity: How Winning the Fields Medal Affects Scientific Output," NBER Working Papers, National Bureau of Economic Research, Inc, number 19445, Sep.
• Fredrik Andersson & Harry J. Holzer & Julia I. Lane & David Rosenblum & Jeffrey Smith, 2013, "Does Federally-Funded Job Training Work? Nonexperimental Estimates of WIA Training Impacts Using Longitudinal Data on Workers and Firms," NBER Working Papers, National Bureau of Economic Research, Inc, number 19446, Sep.
• Natalia Danzer & Victor Lavy, 2013, "Parental Leave and Children's Schooling Outcomes: Quasi-Experimental Evidence from a Large Parental Leave Reform," NBER Working Papers, National Bureau of Economic Research, Inc, number 19452, Sep.
• Amanda Pallais, 2013, "Small Differences that Matter: Mistakes in Applying to College," NBER Working Papers, National Bureau of Economic Research, Inc, number 19480, Sep.
• Ginger Zhe Jin & Benjamin Jones & Susan Feng Lu & Brian Uzzi, 2013, "The Reverse Matthew Effect: Catastrophe and Consequence in Scientific Teams," NBER Working Papers, National Bureau of Economic Research, Inc, number 19489, Oct.
• Martha J. Bailey, 2013, "Fifty Years of Family Planning: New Evidence on the Long-Run Effects of Increasing Access to Contraception," NBER Working Papers, National Bureau of Economic Research, Inc, number 19493, Oct.
• John Parman, 2013, "Childhood Health and Sibling Outcomes: The Shared Burden and Benefit of the 1918 Influenza Pandemic," NBER Working Papers, National Bureau of Economic Research, Inc, number 19505, Oct.
• Ajay Agrawal & John Horton & Nicola Lacetera & Elizabeth Lyons, 2013, "Digitization and the Contract Labor Market: A Research Agenda," NBER Working Papers, National Bureau of Economic Research, Inc, number 19525, Oct.
• Janet Currie & Joshua S. Graff Zivin & Jamie Mullins & Matthew J. Neidell, 2013, "What Do We Know About Short and Long Term Effects of Early Life Exposure to Pollution?," NBER Working Papers, National Bureau of Economic Research, Inc, number 19571, Oct.
• Atila Abdulkadiroğlu & Weiwei Hu & Parag A. Pathak, 2013, "Small High Schools and Student Achievement: Lottery-Based Evidence from New York City," NBER Working Papers, National Bureau of Economic Research, Inc, number 19576, Oct.
• David Lam & Cally Ardington & Nicola Branson & Murray Leibbrandt, 2013, "Credit Constraints and the Racial Gap in Post-Secondary Education in South Africa," NBER Working Papers, National Bureau of Economic Research, Inc, number 19607, Nov.
• Ajay Agrawal & John McHale & Alexander Oettl, 2013, "Collaboration, Stars, and the Changing Organization of Science: Evidence from Evolutionary Biology," NBER Working Papers, National Bureau of Economic Research, Inc, number 19653, Nov.
• James J. Heckman & Tim Kautz, 2013, "Fostering and Measuring Skills: Interventions That Improve Character and Cognition," NBER Working Papers, National Bureau of Economic Research, Inc, number 19656, Nov.
• Ajay Agrawal & Avi Goldfarb & Florenta Teodoridis, 2013, "Does Knowledge Accumulation Increase the Returns to Collaboration?," NBER Working Papers, National Bureau of Economic Research, Inc, number 19694, Dec.
• Nicola Lacetera & Bradley J. Larsen & Devin G. Pope & Justin R. Sydnor, 2013, "Bid Takers or Market Makers? The Effect of Auctioneers on Auction Outcomes," NBER Working Papers, National Bureau of Economic Research, Inc, number 19731, Dec.
• Auer-Rizzi, Werner & Reber, Gerhard, 2013, "Leadership Styles: Inertia and changes in the Czech Republic," Journal of East European Management Studies, Nomos Verlagsgesellschaft mbH & Co. KG, volume 18, issue 1, pages 9-35.
• Gurkov, Igor, 2013, "Why some Russian industrial companies innovate regularly: Determinants of firms’ decisions to innovate and associated routines," Journal of East European Management Studies, Nomos Verlagsgesellschaft mbH & Co. KG, volume 18, issue 1, pages 66-96.
• Palmero, Alfredo Jiménez & Herrera, Juan José Durán & Sabaté, Juan Manuel de la Fuente, 2013, "The role of psychic distance stimuli on the East-West FDI location structure in the EU. Evidence from Spanish MNEs," Journal of East European Management Studies, Nomos Verlagsgesellschaft mbH & Co. KG, volume 18, issue 1, pages 36-65.
• Skerlavaj, Miha & Su, Chunke & Huang, Meikuan, 2013, "The moderating effects of national culture on the development of organisational learning culture: A multilevel study across seven countries," Journal of East European Management Studies, Nomos Verlagsgesellschaft mbH & Co. KG, volume 18, issue 1, pages 97-134.
• Jankulovic, Aleksandar & Skoric, Vladimir, 2013, "Performance management system implementation in a Southeast European transitional country," Journal of East European Management Studies, Nomos Verlagsgesellschaft mbH & Co. KG, volume 18, issue 2, pages 173-190.
• Zdolsek, Daniel & Kolar, Iztok, 2013, "Management disclosure practices for disaggregated (financial) information in Slovenian unlisted companies," Journal of East European Management Studies, Nomos Verlagsgesellschaft mbH & Co. KG, volume 18, issue 2, pages 232-263.
• Catana, Doina & Pucko, Danijel & Krzykala-Schaefer, Renata, 2013, "How future managers view societal culture: A comparison across seven CEE countries," Journal of East European Management Studies, Nomos Verlagsgesellschaft mbH & Co. KG, volume 18, issue 4, pages 463-481.
• Cater, Tomaz & Lang, Rainhart & Szabo, Erna, 2013, "Values and leadership expectations of future managers: Theoretical basis and methodological approach of the GLOBE Student project," Journal of East European Management Studies, Nomos Verlagsgesellschaft mbH & Co. KG, volume 18, issue 4, pages 442-462.
• Lang, Rainhart & Szabo, Erna & Catana, Gheorghe Alexandru & Konecna, Zdenka & Skálová, Petra & Krzykala-Schaefer, Renata, 2013, "How future managers view societal culture: A comparison across seven CEE countries," Journal of East European Management Studies, Nomos Verlagsgesellschaft mbH & Co. KG, volume 18, issue 4, pages 482-511.
• Remisova, Anna & Lasáková, Anna & Krzykala-Schaefer, Renata, 2013, "Corporate social responsibility in European countries: The keystones of the concept and intercultural connotations," Journal of East European Management Studies, Nomos Verlagsgesellschaft mbH & Co. KG, volume 18, issue 4, pages 512-543.
• Juanna Schrøter Joensen & Helena Skyt Nielsen, 2013, "Math and Gender: Is Math a Route to a High-Powered Career?," Economics Working Papers, Department of Economics and Business Economics, Aarhus University, number 2013-01, Jan.
• Larisa PANTEA, 2013, "Features Of Active Measures Of Labour Market Support In The Republic Of Moldova," Economy and Sociology, The Journal Economy and Sociology, issue 4, pages 152-158.
• Martina Zweimuller, 2013, "The Effects of School Entry Laws on Educational Attainment and Starting Wages in an Early Tracking System," Annals of Economics and Statistics, GENES, issue 111-112, pages 141-169.
• Mathilde Gaini & Aude Leduc & Augustin Vicard, 2013, "School as a Shelter? School Leaving-Age and the Business Cycle in France," Annals of Economics and Statistics, GENES, issue 111-112, pages 251-270.
• Christian Belzil & Marco Leonardi, 2013, "Risk Aversion and Schooling Decisions," Annals of Economics and Statistics, GENES, issue 111-112, pages 35-70.
• David Lagakos & Michael E. Waugh, 2013, "Selection, Agriculture, and Cross-Country Productivity Differences," American Economic Review, American Economic Association, volume 103, issue 2, pages 948-980, April.
• Todd C. Neumann & Jason E. Taylor & Price Fishback, 2013, "Comparisons of Weekly Hours over the Past Century and the Importance of Work-Sharing Policies in the 1930s," American Economic Review, American Economic Association, volume 103, issue 3, pages 105-110, May, DOI: 10.1257/aer.103.3.105.
• Steven N. Kaplan & Joshua D. Rauh, 2013, "Family, Education, and Sources of Wealth among the Richest Americans, 1982-2012," American Economic Review, American Economic Association, volume 103, issue 3, pages 158-162, May, DOI: 10.1257/aer.103.3.158.
• Jeffrey Grogger & Gordon Hanson, 2013, "The Scale and Selectivity of Foreign-Born PhD Recipients in the US," American Economic Review, American Economic Association, volume 103, issue 3, pages 189-192, May, DOI: 10.1257/aer.103.3.189.
• Michael A. Clemens, 2013, "Why Do Programmers Earn More in Houston Than Hyderabad? Evidence from Randomized Processing of US Visas," American Economic Review, American Economic Association, volume 103, issue 3, pages 198-202, May, DOI: 10.1257/aer.103.3.198.
• John Bound & Breno Braga & Joseph M. Golden & Sarah Turner, 2013, "Pathways to Adjustment: The Case of Information Technology Workers," American Economic Review, American Economic Association, volume 103, issue 3, pages 203-207, May, DOI: 10.1257/aer.103.3.203.
• Anders Akerman & Elhanan Helpman & Oleg Itskhoki & Marc-Andreas Muendler & Stephen Redding, 2013, "Sources of Wage Inequality," American Economic Review, American Economic Association, volume 103, issue 3, pages 214-219, May, DOI: 10.1257/aer.103.3.214.
• Joseph J. Sabia & Angela K. Dills & Jeffrey DeSimone, 2013, "Sexual Violence against Women and Labor Market Outcomes," American Economic Review, American Economic Association, volume 103, issue 3, pages 274-278, May, DOI: 10.1257/aer.103.3.274.
• Tania Barham & Karen Macours & John A. Maluccio, 2013, "Boys' Cognitive Skill Formation and Physical Growth: Long-Term Experimental Evidence on Critical Ages for Early Childhood Interventions," American Economic Review, American Economic Association, volume 103, issue 3, pages 467-471, May, DOI: 10.1257/aer.103.3.467.
• Michael C. Burda & Daniel S. Hamermesh & Jay Stewart, 2013, "Cyclical Variation in Labor Hours and Productivity Using the ATUS," American Economic Review, American Economic Association, volume 103, issue 3, pages 99-104, May, DOI: 10.1257/aer.103.3.99.
• Richard Rogerson & Johanna Wallenius, 2013, "Nonconvexities, Retirement, and the Elasticity of Labor Supply," American Economic Review, American Economic Association, volume 103, issue 4, pages 1445-1462, June.
• David H. Autor & David Dorn, 2013, "The Growth of Low-Skill Service Jobs and the Polarization of the US Labor Market," American Economic Review, American Economic Association, volume 103, issue 5, pages 1553-1597, August.
• Gianmarco I. P. Ottaviano & Giovanni Peri & Greg C. Wright, 2013, "Immigration, Offshoring, and American Jobs," American Economic Review, American Economic Association, volume 103, issue 5, pages 1925-1959, August.
• Emily Oster & Ira Shoulson & E. Ray Dorsey, 2013, "Limited Life Expectancy, Human Capital and Health Investments," American Economic Review, American Economic Association, volume 103, issue 5, pages 1977-2002, August.
• James Heckman & Rodrigo Pinto & Peter Savelyev, 2013, "Understanding the Mechanisms through Which an Influential Early Childhood Program Boosted Adult Outcomes," American Economic Review, American Economic Association, volume 103, issue 6, pages 2052-2086, October.
• Sanghamitra Das & Kala Krishna & Sergey Lychagin & Rohini Somanathan, 2013, "Back on the Rails: Competition and Productivity in State-Owned Industry," American Economic Journal: Applied Economics, American Economic Association, volume 5, issue 1, pages 136-162, January.
• Enrico Moretti, 2013, "Real Wage Inequality," American Economic Journal: Applied Economics, American Economic Association, volume 5, issue 1, pages 65-103, January.
• Lisa B. Kahn, 2013, "Asymmetric Information between Employers," American Economic Journal: Applied Economics, American Economic Association, volume 5, issue 4, pages 165-205, October.
• Ariel Burstein & Javier Cravino & Jonathan Vogel, 2013, "Importing Skill-Biased Technology," American Economic Journal: Macroeconomics, American Economic Association, volume 5, issue 2, pages 32-71, April.
• Fernando Parro, 2013, "Capital-Skill Complementarity and the Skill Premium in a Quantitative Model of Trade," American Economic Journal: Macroeconomics, American Economic Association, volume 5, issue 2, pages 72-117, April.
• Robert C. Feenstra & Benjamin R. Mandel & Marshall B. Reinsdorf & Matthew J. Slaughter, 2013, "Effects of Terms of Trade Gains and Tariff Changes on the Measurement of US Productivity Growth," American Economic Journal: Economic Policy, American Economic Association, volume 5, issue 1, pages 59-93, February, DOI: 10.1257/pol.5.1.59.
• Joshua Graff Zivin & Matthew Neidell, 2013, "Environment, Health, and Human Capital," Journal of Economic Literature, American Economic Association, volume 51, issue 3, pages 689-730, September.
• Edward Glaeser, 2013, "A Review of Enrico Moretti's The New Geography of Jobs," Journal of Economic Literature, American Economic Association, volume 51, issue 3, pages 825-837, September.
• Greg J. Duncan & Katherine Magnuson, 2013, "Investing in Preschool Programs," Journal of Economic Perspectives, American Economic Association, volume 27, issue 2, pages 109-132, Spring.
• James E. Rosenbaum & Janet Rosenbaum, 2013, "Beyond BA Blinders: Lessons from Occupational Colleges and Certificate Programs for Nontraditional Students," Journal of Economic Perspectives, American Economic Association, volume 27, issue 2, pages 153-172, Spring.
• Santiago Levy & Norbert Schady, 2013, "Latin America's Social Policy Challenge: Education, Social Insurance, Redistribution," Journal of Economic Perspectives, American Economic Association, volume 27, issue 2, pages 193-218, Spring.
• Facundo Alvaredo & Anthony B. Atkinson & Thomas Piketty & Emmanuel Saez, 2013, "The Top 1 Percent in International and Historical Perspective," Journal of Economic Perspectives, American Economic Association, volume 27, issue 3, pages 3-20, Summer, DOI: 10.1257/jep.27.3.3.
• Steven N. Kaplan & Joshua Rauh, 2013, "It's the Market: The Broad-Based Rise in the Return to Top Talent," Journal of Economic Perspectives, American Economic Association, volume 27, issue 3, pages 35-56, Summer, DOI: 10.1257/jep.27.3.35.
• Josh Bivens & Lawrence Mishel, 2013, "The Pay of Corporate Executives and Financial Professionals as Evidence of Rents in Top 1 Percent Incomes," Journal of Economic Perspectives, American Economic Association, volume 27, issue 3, pages 57-78, Summer, DOI: 10.1257/jep.27.3.57.
• Olaf Hübler, 2013, "Are Tall People Less Risk Averse Than Others?," Schmollers Jahrbuch : Journal of Applied Social Science Studies / Zeitschrift für Wirtschafts- und Sozialwissenschaften, Duncker & Humblot, Berlin, volume 133, issue 1, pages 23-42, DOI: 10.3790/schm.133.1.23.
• Eberharter, Veronika V., 2013, "The Intergenerational Transmission of Occupational Preferences, Segregation, and Wage Inequality – Empirical Evidence from Europe and the United States," Schmollers Jahrbuch : Journal of Applied Social Science Studies / Zeitschrift für Wirtschafts- und Sozialwissenschaften, Duncker & Humblot, Berlin, volume 133, issue 2, pages 185-202, DOI: 10.3790/schm.133.2.185.
• Rhein, Thomas & Trübswetter, Parvati & Nisic, Natascha, 2013, "Is Occupational Mobility in Germany Hampered by the Dual Vocational System? The Results of a British-German Comparison," Schmollers Jahrbuch : Journal of Applied Social Science Studies / Zeitschrift für Wirtschafts- und Sozialwissenschaften, Duncker & Humblot, Berlin, volume 133, issue 2, pages 203-214, DOI: 10.3790/schm.133.2.203.
• Lillard, Dean R. & Manzoni, Anna, 2013, "International Migration as Occupational Mobility: The Case of Germany," Schmollers Jahrbuch : Journal of Applied Social Science Studies / Zeitschrift für Wirtschafts- und Sozialwissenschaften, Duncker & Humblot, Berlin, volume 133, issue 2, pages 263-273, DOI: 10.3790/schm.133.2.263.
• Tanja Buch & Gabriele Wydra-Somaggio, 2013, "Die Beschäftigungsstabilität nach einer dualen Berufsausbildung: Wer startet erfolgreich in das Erwerbsleben?," Schmollers Jahrbuch : Journal of Applied Social Science Studies / Zeitschrift für Wirtschafts- und Sozialwissenschaften, Duncker & Humblot, Berlin, volume 133, issue 3, pages 409-438, DOI: 10.3790/schm.133.3.409.
• José Luis Alfaro Navarro & Víctor Raúl López Ruiz & Domingo Nevado Pena, 2013, "A theoretical intellectual capital model applied to cities," The AMFITEATRU ECONOMIC journal, Academy of Economic Studies - Bucharest, Romania, volume 15, issue 34, pages 455-468, June.
• Dorel Mihai Paraschiv & Radu Stoika, 2013, "Using best practices in designing a lifelong learning strategy for human resources in Romania," The AMFITEATRU ECONOMIC journal, Academy of Economic Studies - Bucharest, Romania, volume 15, issue 34, pages 532-543, June.
• Asongu Simplice, 2013, "Determinants of Health Professionals’ Migration in Africa: a WHO based Assessment," Working Papers of the African Governance and Development Institute., African Governance and Development Institute., number 13/034, Sep.
• Mekonnen, Dawit Kelemework & Dorfman, Jeffrey, 2013, "Learning and Synergy in Social Networks: Productivity Impacts of Informal Labor Sharing Arrangements," 2013 Annual Meeting, August 4-6, 2013, Washington, D.C., Agricultural and Applied Economics Association, number 149809, DOI: 10.22004/ag.econ.149809.
• Xie, Ruizhi & Awokuse, Titus O., 2013, "The Role of Health Status on Income in China," 2013 Annual Meeting, August 4-6, 2013, Washington, D.C., Agricultural and Applied Economics Association, number 151137, DOI: 10.22004/ag.econ.151137.
• Inwood, Shoshanah, 2013, "Social Forces and Cultural Factors Influencing Farm Transition," Choices: The Magazine of Food, Farm, and Resource Issues, Agricultural and Applied Economics Association, volume 28, issue 2, pages 1-5, DOI: 10.22004/ag.econ.154994.
• Tocco, Barbara & Bailey, Alastair & Davidova, Sophia, 2013, "Determinants to Leave Agriculture and Change Occupational Sector: Evidence from an Enlarged EU," 87th Annual Conference, April 8-10, 2013, Warwick University, Coventry, UK, Agricultural Economics Society, number 158685, DOI: 10.22004/ag.econ.158685.
• Tocco, Barbara & Bailey, Alastair & Davidova, Sophia, 2013, "Determinants to Leave Agriculture and Change Occupational Sector: Evidence from an Enlarged EU," Working papers, Factor Markets, Centre for European Policy Studies, number 155704, May, DOI: 10.22004/ag.econ.155704.
• Tonin, Mirco & Vlassopoulos, Michael, 2013, "Social Incentives Matter: Evidence from an Online Real Effort Experiment," Economy and Society, Fondazione Eni Enrico Mattei (FEEM), number 146350, Jan, DOI: 10.22004/ag.econ.146350.
• Tocco, Barbara & Bailey, Alastair & Davidova, Sophia, 2013, "Determinants to Leave Agriculture and Change Occupational Sector: Evidence from an Enlarged EU," 2013: Productivity and Its Impacts on Global Trade, June 2-4, 2013. Seville, Spain, International Agricultural Trade Research Consortium, number 152324, Jun, DOI: 10.22004/ag.econ.152324.
• Tocco, Barbara & Bailey, Alastair & Davidova, Sophia, 2013, "Determinants To Leave Agriculture And Change Occupational Sector: Evidence From An Enlarged Eu," 2013: Productivity and Its Impacts on Global Trade, June 2-4, 2013. Seville, Spain, International Agricultural Trade Research Consortium, number 152325, Jun, DOI: 10.22004/ag.econ.152325.
• Stark, Oded & Dorn, Agnieszka, 2013, "International migration, human capital formation, and saving," Discussion Papers, University of Bonn, Center for Development Research (ZEF), number 143842, Jan, DOI: 10.22004/ag.econ.143842.
• Sorger, Gerhard & Stark, Oded & Wang, Yong, 2013, "Migration and Dynamics: How a Leakage of Human Capital Lubricates the Engine of Economic Growth," Discussion Papers, University of Bonn, Center for Development Research (ZEF), number 155027, Jul, DOI: 10.22004/ag.econ.155027.
• Stark, Oded & Jakubek, Marcin, 2013, "Integration as a catalyst for assimilation," Discussion Papers, University of Bonn, Center for Development Research (ZEF), number 155148, Aug, DOI: 10.22004/ag.econ.155148.
• Clément Bosquet & Pierre-Philippe Combes, 2013, "Do Large Departments Make Academics More Productive? Agglomeration and Peer Effects in Research," AMSE Working Papers, Aix-Marseille School of Economics, France, number 1326, Apr, revised 10 Apr 2013.
• Christophe Muller & Christophe J. Nordman, 2013, "Task Organization, Human Capital and Wages in Moroccan Exporting Firms," AMSE Working Papers, Aix-Marseille School of Economics, France, number 1341, Aug, revised Aug 2013.
• Olivier Bargain & Prudence Kwenda, 2013, "The Informal Sector Wage Gap: New Evidence using Quantile Estimations on Panel Data," AMSE Working Papers, Aix-Marseille School of Economics, France, number 1360, Jun, revised Jun 2013.