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Christian Helmers

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First Name:Christian
Middle Name:
Last Name:Helmers
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RePEc Short-ID:phe349
http://www.chelmers.com
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  1. Georg von Graevenitz & Christian Helmers & Valentine Millot & Oliver Turnbull, 2016. "Does Online Search Predict Sales? Evidence from Big Data for Car Markets in Germany and the UK," Working Papers 71, Queen Mary, University of London, School of Business and Management, Centre for Globalisation Research.
  2. Cremers, Katrin & Gaessler, Fabian & Harhoff, Dietmar & Helmers, Christian & Lefouili, Yassine, 2016. "Invalid but infringed? An analysis of the bifurcated patent litigation system," TSE Working Papers 16-698, Toulouse School of Economics (TSE).
  3. María José Abud Sittler & Bronwyn Hall & Christian Helmers, 2015. "An Empirical Analysis of Primary and Secondary Pharmaceutical Patents in Chile," NBER Working Papers 20995, National Bureau of Economic Research, Inc.
  4. Bronwyn H. Hall & Christian Helmers & Georg von Graevenitz, 2015. "Technology Entry in the Presence of Patent Thickets," NBER Working Papers 21455, National Bureau of Economic Research, Inc.
  5. Christian Helmers & Pramila Krishnan & Manasa Patnam, 2015. "Attention and Saliency on the Internet: Evidence from an online recommendation system," Cambridge Working Papers in Economics 1532, Faculty of Economics, University of Cambridge.
  6. Carsten Fink & Christian Helmers & Carlos Ponce, 2014. "Trademarks Squatters: Evidence from Chile," WIPO Economic Research Working Papers 22, World Intellectual Property Organization - Economics and Statistics Division.
  7. Cremers, Katrin & Gaessler, Fabian & Harhoff, Dietmar & Helmers, Christian, 2014. "Invalid but infringed? An analysis of Germany's bifurcated patent litigation system," ZEW Discussion Papers 14-072, ZEW - Zentrum für Europäische Wirtschaftsforschung / Center for European Economic Research.
  8. Maria Jose Abud & Carsten Fink & Bronwyn Hall & Christian Helmers, 2013. "The use of intellectual property in Chile," WIPO Economic Research Working Papers 11, World Intellectual Property Organization - Economics and Statistics Division.
  9. Henry Overman & Christian Helmers, 2013. "My precious! The location and di_x000B_ffusion of scientifi_x000C_c research: evidence from the Synchrotron Diamond Light Source," ERSA conference papers ersa13p654, European Regional Science Association.
  10. Christian Helmers & Henry Overman, 2013. "My Precious! The Location and Diffusion of Scientific Research: Evidence from the Synchrotron Diamond Light Source," SERC Discussion Papers 0131, Spatial Economics Research Centre, LSE.
  11. Cremers, Katrin & Ernicke, Max & Gaessler, Fabian & Harhoff, Dietmar & Helmers, Christian & McDonagh, Luke & Schliessler, Paula & Van Zeebroeck, Nicolas, 2013. "Patent litigation in Europe," ZEW Discussion Papers 13-072, ZEW - Zentrum für Europäische Wirtschaftsforschung / Center for European Economic Research.
  12. Bronwyn H. Hall & Christian Helmers & Mark Rogers & Vania Sena, 2013. "The Importance (or not) of Patents to UK Firms," NBER Working Papers 19089, National Bureau of Economic Research, Inc.
  13. Fosfuri, A. & Helmers, C. & Roux, C., 2012. "Are joint patents collusive? Evidence from the US and Europe," Discussion Paper 2012-035, Tilburg University, Tilburg Law and Economic Center.
  14. Bronwyn H. Hall & Christian Helmers & Mark Rogers & Vania Sena, 2012. "The Choice between Formal and Informal Intellectual Property: A Literature Review," NBER Working Papers 17983, National Bureau of Economic Research, Inc.
  15. Christian Helmers & Mark Rogers, 2011. "Intellectual Property at the Firm-Level in the UK: The Oxford Firm-Level Intellectual Property Database," Economics Series Working Papers 546, University of Oxford, Department of Economics.
  16. Markus Eberhardt & Christian Helmers & Zhihong Yu, 2011. "Is the Dragon Learning to Fly? An Analysis of the Chinese Patent Explosion," CSAE Working Paper Series 2011-15, Centre for the Study of African Economies, University of Oxford.
  17. Bronwyn H. Hall & Christian Helmers, 2011. "Innovation and Diffusion of Clean/Green Technology: Can Patent Commons Help?," NBER Working Papers 16920, National Bureau of Economic Research, Inc.
  18. Markus Eberhardt & Christian Helmers, 2011. "Is the Dragon Learning to Fly? An Analysis of the Chinese Patent Explosion," Economics Series Working Papers WPS/2011-15, University of Oxford, Department of Economics.
  19. Christian Helmers, 2010. "The Effect of Market Entry on Innovation: Evidence from UK University Incubators," CEP Discussion Papers dp1002, Centre for Economic Performance, LSE.
  20. Markus Eberhardt & Christian Helmers, 2010. "Untested Assumptions and Data Slicing: A Critical Review of Firm-Level Production Function Estimators," Economics Series Working Papers 513, University of Oxford, Department of Economics.
  21. Christian Helmers & Natalia Trofimenko, 2010. "Export Subsidies in a Heterogeneous Firms Framework: Evidence from Colombia," CSAE Working Paper Series 2010-26, Centre for the Study of African Economies, University of Oxford.
  22. Christian Helmers & Manasa Patnam, 2010. "Does the Rotten Child Spoil His Companion? Spatial Peer Effects Among Children in Rural India," Economics Series Working Papers CSAE WPS/2010-13, University of Oxford, Department of Economics.
  23. Bronwyn H. Hall & Christian Helmers, 2010. "The role of patent protection in (clean/green) technology transfer," NBER Working Papers 16323, National Bureau of Economic Research, Inc.
  24. Christian Helmers & Manasa Patnam, 2010. "Does the Rotten Child Spoil His Companion? Spatial Peer Effects Among Children in Rural India," CSAE Working Paper Series 2010-13, Centre for the Study of African Economies, University of Oxford.
  25. Eberhardt, Markus & Helmers, Christian & Strauss, Hubert, 2010. "Do spillovers matter when estimating private returns to R&D?," Economic and Financial Reports 2010/1, European Investment Bank, Economics Department.
  26. Christian Helmers & Natalia Trofimenko, 2010. "Export Subsidies in a Heterogeneous Firms Framework: Evidence from Colombia," Economics Series Working Papers CSAE WPS/2010-26, University of Oxford, Department of Economics.
  27. Christian Helmers & Bronwyn H. Hall, 2010. "The role of patent protection in (clean/green) technology transfer," Economics Series Working Papers CSAE WPS/2010-23, University of Oxford, Department of Economics.
  28. Christian Helmers & Mark Rogers, 2010. "The Impact of University Research on Corporate Patenting," SERC Discussion Papers 0054, Spatial Economics Research Centre, LSE.
  29. Helmers, Christian & Schulte, Christian & Strauss, Hubert, 2009. "Business R&D expenditure and capital in Europe," EIB Papers 2/2009, European Investment Bank, Economics Department.
  30. Christian Helmers & Natalia Trofimenko, 2009. "Export Subsidies in a Heterogeneous Firms Framework," Kiel Working Papers 1476, Kiel Institute for the World Economy.
  31. Christian Helmers & Mark Rogers, 2008. "Innovation and the Survival of New Firms Across British Regions," Economics Series Working Papers 416, University of Oxford, Department of Economics.
  1. Cremers, Katrin & Gaessler, Fabian & Harhoff, Dietmar & Helmers, Christian & Lefouili, Yassine, 2016. "Invalid but infringed? An analysis of the bifurcated patent litigation system," Journal of Economic Behavior & Organization, Elsevier, vol. 131(PA), pages 218-242.
  2. Eberhardt, Markus & Fafchamps, Marcel & Helmers, Christian & Patnam, Manasa, 2016. "The heterogeneous effect of software patents on expected returns: Evidence from India," Economics Letters, Elsevier, vol. 145(C), pages 73-78.
  3. Christian Helmers & Mark Rogers, 2015. "The impact of university research on corporate patenting: evidence from UK universities," The Journal of Technology Transfer, Springer, vol. 40(1), pages 1-24, February.
  4. Bronwyn Hall & Christian Helmers & Mark Rogers & Vania Sena, 2014. "The Choice between Formal and Informal Intellectual Property: A Review," Journal of Economic Literature, American Economic Association, vol. 52(2), pages 375-423, June.
  5. Christian Helmers & Manasa Patnam, 2014. "Does the rotten child spoil his companion? Spatial peer effects among children in rural India," Quantitative Economics, Econometric Society, vol. 5, pages 67-121, 03.
  6. Christian Helmers & Natalia Trofimenko, 2013. "The Use and Abuse of Export Subsidies: Evidence from Colombia," The World Economy, Wiley Blackwell, vol. 36(4), pages 465-486, 04.
  7. Markus Eberhardt & Christian Helmers & Hubert Strauss, 2013. "Do Spillovers Matter When Estimating Private Returns to R&D?," The Review of Economics and Statistics, MIT Press, vol. 95(2), pages 436-448, May.
  8. Hall, Bronwyn H. & Helmers, Christian, 2013. "Innovation and diffusion of clean/green technology: Can patent commons help?," Journal of Environmental Economics and Management, Elsevier, vol. 66(1), pages 33-51.
  9. Christine Greenhalgh & Jonathan Haskel & Christian Helmers, 2013. "Introduction to the Special Issue on Innovation and Intellectual Property," Oxford Economic Papers, Oxford University Press, vol. 65(3), pages 597-602, July.
  10. Bronwyn H. Hall & Christian Helmers & Mark Rogers & Vania Sena, 2013. "The importance (or not) of patents to UK firms," Oxford Economic Papers, Oxford University Press, vol. 65(3), pages 603-629, July.
  11. Fu, Xiaolan & Helmers, Christian & Zhang, Jing, 2012. "The two faces of foreign management capabilities: FDI and productive efficiency in the UK retail sector," International Business Review, Elsevier, vol. 21(1), pages 71-88.
  12. Helmers, Christian & Rogers, Mark, 2011. "Does patenting help high-tech start-ups?," Research Policy, Elsevier, vol. 40(7), pages 1016-1027, September.
  13. Helmers, Christian & Patnam, Manasa, 2011. "The formation and evolution of childhood skill acquisition: Evidence from India," Journal of Development Economics, Elsevier, vol. 95(2), pages 252-266, July.
  14. Mark Rogers & Christian Helmers & Christoffer Koch, 2010. "Firm growth and firm size," Applied Economics Letters, Taylor & Francis Journals, vol. 17(16), pages 1547-1550.
  15. Christian Helmers & Mark Rogers, 2010. "Innovation and the Survival of New Firms in the UK," Review of Industrial Organization, Springer;The Industrial Organization Society, vol. 36(3), pages 227-248, May.
NEP is an announcement service for new working papers, with a weekly report in each of many fields. This author has had 30 papers announced in NEP. These are the fields, ordered by number of announcements, along with their dates. If the author is listed in the directory of specialists for this field, a link is also provided.
  1. NEP-IPR: Intellectual Property Rights (21) 2010-09-11 2010-09-25 2010-11-13 2010-11-20 2011-04-09 2011-04-23 2011-09-16 2012-04-17 2013-03-30 2013-06-04 2013-10-02 2013-10-11 2014-11-22 2014-12-03 2015-02-11 2015-03-05 2015-08-19 2015-09-05 2016-02-12 2016-04-09 2016-09-25. Author is listed
  2. NEP-INO: Innovation (20) 2010-01-23 2010-04-17 2010-09-11 2010-09-25 2010-11-13 2010-11-20 2011-04-09 2011-04-23 2011-09-16 2012-04-17 2013-03-30 2013-06-04 2013-10-11 2014-12-03 2015-02-11 2015-03-05 2015-08-19 2015-09-05 2016-04-09 2016-09-25. Author is listed
  3. NEP-TID: Technology & Industrial Dynamics (14) 2010-09-11 2010-09-25 2010-11-13 2011-04-09 2011-04-23 2011-06-25 2011-09-16 2012-04-17 2013-06-04 2015-03-05 2015-08-19 2015-09-05 2016-02-12 2016-04-09. Author is listed
  4. NEP-COM: Industrial Competition (9) 2010-11-13 2013-06-04 2013-10-11 2015-03-05 2015-08-19 2015-09-05 2015-11-21 2016-04-04 2016-04-09. Author is listed
  5. NEP-LAW: Law & Economics (8) 2012-04-17 2013-10-11 2014-12-03 2015-03-05 2015-09-05 2016-02-12 2016-04-09 2016-09-25. Author is listed
  6. NEP-URE: Urban & Real Estate Economics (7) 2010-08-06 2010-11-13 2010-11-20 2010-11-20 2011-07-27 2013-03-30 2015-02-11. Author is listed
  7. NEP-BEC: Business Economics (6) 2009-01-24 2010-01-23 2011-09-16 2015-08-19 2015-09-05 2016-04-09. Author is listed
  8. NEP-EUR: Microeconomic European Issues (6) 2010-11-13 2010-11-20 2013-10-11 2014-12-03 2016-02-12 2016-09-11. Author is listed
  9. NEP-SBM: Small Business Management (5) 2010-01-23 2010-11-13 2011-04-09 2013-06-04 2016-04-09. Author is listed
  10. NEP-DEV: Development (4) 2010-08-06 2010-11-06 2010-11-20 2011-07-27
  11. NEP-ENV: Environmental Economics (4) 2010-09-11 2010-09-25 2011-04-09 2011-06-25
  12. NEP-MKT: Marketing (4) 2014-11-22 2015-11-21 2016-04-04 2016-09-11
  13. NEP-CSE: Economics of Strategic Management (3) 2010-11-20 2011-04-09 2011-06-25
  14. NEP-EFF: Efficiency & Productivity (3) 2010-01-23 2010-04-17 2010-11-27
  15. NEP-ENE: Energy Economics (3) 2010-09-11 2011-04-09 2011-06-25
  16. NEP-GEO: Economic Geography (3) 2010-08-06 2013-03-30 2015-02-11
  17. NEP-LAM: Central & South America (3) 2013-10-02 2014-11-22 2015-03-05
  18. NEP-ENT: Entrepreneurship (2) 2010-11-13 2015-08-19
  19. NEP-IND: Industrial Organization (2) 2013-10-11 2016-02-12
  20. NEP-INT: International Trade (2) 2009-01-24 2010-11-06
  21. NEP-CBE: Cognitive & Behavioural Economics (1) 2016-04-04
  22. NEP-CUL: Cultural Economics (1) 2012-04-17
  23. NEP-DCM: Discrete Choice Models (1) 2015-11-21
  24. NEP-ECM: Econometrics (1) 2010-11-27
  25. NEP-EDU: Education (1) 2010-11-20
  26. NEP-EEC: European Economics (1) 2010-01-23
  27. NEP-HIS: Business, Economic & Financial History (1) 2012-04-17
  28. NEP-HRM: Human Capital & Human Resource Management (1) 2010-08-06
  29. NEP-ICT: Information & Communication Technologies (1) 2016-09-11
  30. NEP-KNM: Knowledge Management & Knowledge Economy (1) 2011-06-25
  31. NEP-MAC: Macroeconomics (1) 2010-01-23
  32. NEP-MFD: Microfinance (1) 2015-03-05
  33. NEP-MIC: Microeconomics (1) 2010-09-25
  34. NEP-SOC: Social Norms & Social Capital (1) 2010-08-06
  35. NEP-TRA: Transition Economics (1) 2011-09-16
  36. NEP-TRE: Transport Economics (1) 2016-09-11
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