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Publications

by members of

Departamento de Gestão e Economia
Instituto Politécnico de Leiria
Leiria, Portugal

(Department of Management and Economics, Polytechnic Institute of Leiria))

These are publications listed in RePEc written by members of the above institution who are registered with the RePEc Author Service. Thus this compiles the works all those currently affiliated with this institutions, not those affilated at the time of publication. List of registered members. Register yourself. This page is updated in the first days of each month.
| Working papers | Journal articles |

Working papers

2014

  1. Mamadú Aua Mané & Manuel Portugal Ferreira, 2014. "Aplicação das dimensões culturais do projeto Globe na avaliação da liderança ética: Um estudo intercultural em Portugal e Guiné-Bissau," Working Papers 106, globADVANTAGE, Polytechnic Institute of Leiria.
  2. Cláudia Frias Pinto & Fernando Ribeiro Serra & Manuel Portugal Ferreira, 2014. "A bibliometric study on culture research in International Business," Working Papers 107, globADVANTAGE, Polytechnic Institute of Leiria.
  3. Manuel Portugal Ferreira & Rui Miranda & Nuno Rosa Reis & Cláudia Frias Pinto & Fernando Ribeiro Serra, 2014. "Pesquisa em empreendedorismo no principal periódico internacional: Um estudo bibliométrico das publicações no Journal of Business Venturing entre 1987 e 2010," Working Papers 108, globADVANTAGE, Polytechnic Institute of Leiria.

2013

  1. Fernando Ribeiro Serra & Manuel Portugal Ferreira & Martinho Almeida & Samile Vanz, 2013. "A pesquisa em administração estratégica nos primeiros anos do milênio: Um estudo bibliométrico no Strategic Management Journal entre 2001 e 2007," Working Papers 103, globADVANTAGE, Polytechnic Institute of Leiria.
  2. Manuel Portugal Ferreira & Fernando Ribeiro Serra & Benny Kramer Costa & Emerson Maccari & Hergos Couto, 2013. "Impact of the types of clusters on the innovation output and the appropriation of rents from innovation," Working Papers 102, globADVANTAGE, Polytechnic Institute of Leiria.
  3. Manuel Portugal Ferreira & Cláudia Frias Pinto & Fernando Ribeiro Serra & João Carvalho Santos, 2013. "Um estudo bibliométrico da contribuição de John Dunning na pesquisa em negócios internacionais," Working Papers 98, globADVANTAGE, Polytechnic Institute of Leiria.
  4. Manuel Portugal Ferreira & Fernando Ribeiro Serra & Emerson Maccari, 2013. "When the innovator fails to capture rents from innovation," Working Papers 101, globADVANTAGE, Polytechnic Institute of Leiria.
  5. Nuno Rosa Reis & Manuel Portugal Ferreira & João Carvalho Santos, 2013. "A bibliometric study of the cultural models in International Business research," Working Papers 104, globADVANTAGE, Polytechnic Institute of Leiria.
  6. Manuel Portugal Ferreira & Cláudia Frias Pinto & João Carvalho Santos & Fernando Ribeiro Serra, 2013. "A ambiguidade e as consequências futuras dos comportamentos menos éticos: Um estudo inter-cultural em Portugal e no Brasil," Working Papers 100, globADVANTAGE, Polytechnic Institute of Leiria.
  7. Manuel Portugal Ferreira & Nuno Rosa Reis & Fernando Ribeiro Serra & Benny Kramer Costa, 2013. "Understanding the footprint of the RBV in International Business studies: The last twenty years of research," Working Papers 96, globADVANTAGE, Polytechnic Institute of Leiria.
  8. Manuel Portugal Ferreira & Fernando Ribeiro Serra & Martinho Almeida, 2013. "Estudo bibliométrico do contributo de Buckley e Casson (1976) na investigação em negócios internacionais," Working Papers 97, globADVANTAGE, Polytechnic Institute of Leiria.
  9. Joana Sobral Beltrão & Manuel Portugal Ferreira & Martinho Almeida, 2013. "Relações de controle e autonomia entre multinacionais e subsidiárias: Um estudo de caso de multinacional Norte-Americana em Portugal," Working Papers 99, globADVANTAGE, Polytechnic Institute of Leiria.
  10. Anabela Botelho & Lígia M.Costa Pinto & Eduarda Fernandes, 2013. "More on the dynamic Vickrey mechanism for multi-unit auctions: an experimental study on the emission permits initial auction," NIMA Working Papers 53, Núcleo de Investigação em Microeconomia Aplicada (NIMA), Universidade do Minho.

2012

  1. Alexandre Pavan Torres & Fernando A. Ribeiro Serra & Martinho Ribeiro Almeida & Manuel Portugal Ferreira, 2012. "O declínio de uma empresa brasileira de grande porte: O caso Gradiente," Working Papers 86, globADVANTAGE, Polytechnic Institute of Leiria.
  2. Fernando A. Ribeiro Serra & Martinho Ribeiro Almeida & Manuel Portugal Ferreira, 2012. "Organizational decline: A yet largely neglected topic in organizational studies," Working Papers 88, globADVANTAGE, Polytechnic Institute of Leiria.
  3. João Carvalho Santos & Manuel Portugal Ferreira & Nuno Rosa Reis & Martinho Ribeiro Almeida, 2012. "Mergers & acquisitions research: A bibliometric study of top strategy and international business journals," Working Papers 91, globADVANTAGE, Polytechnic Institute of Leiria.
  4. Ana Sofia Lopes & Paulino Teixeira, 2012. "Worker productivity and wages: Evidence from linked employer-employee data," GEMF Working Papers 2012-17, GEMF - Faculdade de Economia, Universidade de Coimbra.

2011

  1. João Carvalho Santos & Manuel Portugal Ferreira & Nuno Rosa Reis & Sandra Raquel Alves, 2011. "Industrial network membership: Reducing psychic distance hazards in the internationalization of the firm," Working Papers 71, globADVANTAGE, Polytechnic Institute of Leiria.
  2. João Carvalho Santos & Manuel Portugal Ferreira & Nuno Rosa Reis & Fernando A. Ribeiro Serra, 2011. "Mergers & Acquisitions research: A bibliometric study of top strategy journals, 2000 - 2009," Working Papers 70, globADVANTAGE, Polytechnic Institute of Leiria.
  3. João Carvalho Santos & Manuel Portugal Ferreira & Nuno Rosa Reis, 2011. "A empresa e o meio nas teorias económicas da empresa: Uma leitura longitudinal," Working Papers 72, globADVANTAGE, Polytechnic Institute of Leiria.
  4. Manuel Portugal Ferreira & Fernando A. Ribeiro Serra & Nuno Rosa Reis, 2011. "Motivações para a internacionalização e modos de entrada nos mercados externos," Working Papers 75, globADVANTAGE, Polytechnic Institute of Leiria.
  5. Nuno Rosa Reis & Manuel Portugal Ferreira & João Carvalho Santos, 2011. "The cultural models in international business research: A bibliometric study of IB journals," Working Papers 76, globADVANTAGE, Polytechnic Institute of Leiria.
  6. Manuel Portugal Ferreira, 2011. "Multinationals and subsidiaries: A bibliometric study on Ghoshal?s managing across borders," Working Papers 78, globADVANTAGE, Polytechnic Institute of Leiria.
  7. Manuel Portugal Ferreira & Fernando A. Ribeiro Serra & Benny Kramer Costa, 2011. "The RBV in International Business Studies: A bibliometric study of Barney?s (1991) contribution to the field," Working Papers 82, globADVANTAGE, Polytechnic Institute of Leiria.

2010

  1. Cláudia Frias Pinto & Luis Filipe Gaspar & Manuel Portugal Ferreira & Fernando Ribeiro Serra, 2010. "A influência de John Dunning na investigação em estratégia e negócios internacionais: Um estudo bibliométrico no Strategic Management Journal," Working Papers 53, globADVANTAGE, Polytechnic Institute of Leiria.
  2. Manuel Portugal Ferreira & Fernando Ribeiro Serra & Nuno Rosa dos Reis, 2010. "A adaptação da firma ao ambiente internacional de negócios," Working Papers 54, globADVANTAGE, Polytechnic Institute of Leiria.
  3. Manuel Portugal Ferreira & Dan Li & Fernando Ribeiro Serra, 2010. "Transferência internacional de conhecimento na multinacional: Quando o jogo competitivo multi-mercado se sobrepõe aos mecanismos internos de coordenação," Working Papers 55, globADVANTAGE, Polytechnic Institute of Leiria.
  4. Roberto de Medeiros Junior & Fernando Ribeiro Serra & Manuel Portugal Ferreira, 2010. "Relação entre o desempenho das organizações e o tempo de mandato (tenure) do Presidente (CEO): Um estudo em empresas brasileiras de capital aberto entre 1999 e 2008," Working Papers 59, globADVANTAGE, Polytechnic Institute of Leiria.
  5. Alexandre Pavan Torres & Emílio Araujo Menezes & Fernando A. Ribeiro Serra & Manuel Portugal Ferreira, 2010. "The Decline of Large Brazilian Companies," Working Papers 57, globADVANTAGE, Polytechnic Institute of Leiria.
  6. Rodrigo Martins & Fernando Ribeiro Serra & André da Silva Leite & Manuel Portugal Ferreira & Dan Li, 2010. "Transactions Cost Theory influence in strategy research: A review through a bibliometric study in leading journals," Working Papers 61, globADVANTAGE, Polytechnic Institute of Leiria.
  7. Bernardo Campos Serra & Fernando Ribeiro Serra & Manuel Portugal Ferreira & Gabriela Gonçalves Fiates, 2010. "Fatores fundamentais para o desempenho de incubadoras," Working Papers 63, globADVANTAGE, Polytechnic Institute of Leiria.
  8. Manuel Portugal Ferreira & Fernando A. Ribeiro Serra & Carlos Duarte & Tânia Marques, 2010. "Competitividade Nacional, Conhecimento e Investimento estrangeiro," Working Papers 62, globADVANTAGE, Polytechnic Institute of Leiria.
  9. Manuel Portugal Ferreira & João Carvalho Santos & Nuno Rosa Reis & Fernando A. Ribeiro Serra, 2010. "Entrepreneurship research: A bibliometric study of the EnANPADs 1997-2008," Working Papers 69, globADVANTAGE, Polytechnic Institute of Leiria.
  10. Manuel Portugal Ferreira & Fernando A. Ribeiro Serra & Nuno Rosa Reis, 2010. "On the adaptation of the firm to the International Business Environment," Working Papers 68, globADVANTAGE, Polytechnic Institute of Leiria.
  11. Ana Sofia Lopes & Paulino Teixeira, 2010. "Productivity, Wages, and the Returns to Firm-Provided Training: Fair Share Capitalism?," GEMF Working Papers 2010-05, GEMF - Faculdade de Economia, Universidade de Coimbra, revised Jul 2012.
  12. Anabela Botelho & Eduarda Fernandes & Ligia Costa Pinto, 2010. "An experimental analysis of grandfathering vs dynamic auctioning in the EU ETS," NIMA Working Papers 39, Núcleo de Investigação em Microeconomia Aplicada (NIMA), Universidade do Minho.

2009

  1. Manuel Portugal Ferreira & Fernando A. Ribeiro Serra, 2009. "Make or Buy in a mature industry? Models of client-supplier relationships under TCT and RBV perspectives," Working Papers 37, globADVANTAGE, Polytechnic Institute of Leiria.
  2. Roberto Medeiros Jr. & Fernando A. Ribeiro Serra & Manuel Portugal Ferreira, 2009. "Alta Administração como Recurso Estratégico: Agenda de pesquisa brasileira a partir de estudo bibliográfico dos trabalhos de Hambrick," Working Papers 39, globADVANTAGE, Polytechnic Institute of Leiria.
  3. Sungu Armagan & Manuel Portugal Ferreira, 2009. "The role of membership change on knowledge transfer in groups," Working Papers 40, globADVANTAGE, Polytechnic Institute of Leiria.
  4. Manuel Portugal Ferreira & Fernando A. Ribeiro Serra & Dan Li & Sungu Armagan, 2009. "Adaptation to the International Business Environment: A resource advantage perspective," Working Papers 38, globADVANTAGE, Polytechnic Institute of Leiria.
  5. Sungu Armagan & Manuel Portugal Ferreira & Gerardo A. Okhuysen & Adam D. Galinsky, 2009. "Power and temporal commitment preference: An investigation in Portugal, Turkey, and the United States," Working Papers 42, globADVANTAGE, Polytechnic Institute of Leiria.
  6. Miguel Neves Matias, 2009. "O relacionamento bancário e o financiamento das PME: Uma revisão da literatura," Working Papers 27, globADVANTAGE, Polytechnic Institute of Leiria.
  7. Miguel Neves Matias & Zélia Serrasqueiro & Carlos Arriaga Costa, 2009. "Padrões de relacionamento bancário no financiamento às MPE: Uma análise cluster," Working Papers 28, globADVANTAGE, Polytechnic Institute of Leiria.
  8. Ana Sofia Lopes & Paulino Teixeira, 2009. "Unobserved Worker Ability, Firm Heterogeneity, and the Returns to Schooling and Training," GEMF Working Papers 2009-03, GEMF - Faculdade de Economia, Universidade de Coimbra.

2008

  1. Fernando A. Ribeiro Serra & Manuel Portugal Ferreira & Gabriela Gonçalves Fiates, 2008. "Pilares da Estratégia: uma Proposta de Dimensões para Análise e Dimensionamento dos Recursos Estratégicos," Working Papers 8, globADVANTAGE, Polytechnic Institute of Leiria.
  2. Fernando A. Ribeiro Serra & Manuel Portugal Ferreira & Maurício Fernandes Pereira & Juliano Lissoni, 2008. "Evoluã‡Ãƒo Da Pesquisa Brasileira Em Resource-Based View (Rbv): Estudo Dos Enanpad Na Ãrea De Estratã‰Gia Entre 1997 - 2006," Working Papers 9, globADVANTAGE, Polytechnic Institute of Leiria.
  3. Fernando A. Ribeiro Serra & Manuel Portugal Ferreira & Gabriela Fiates, 2008. "O Desafio de Pesquisar e Publicar em Revistas Científicas: A Perspectiva de Editores e Revisores Internacionais," Working Papers 12, globADVANTAGE, Polytechnic Institute of Leiria.
  4. Fernando A. Ribeiro Serra & Manuel Portugal Ferreira & Gabriela Gonçalves Fiates & Maria Terezinha Angeloni, 2008. "Inovação e redes de relacionamento na geração de conhecimento em incubadoras," Working Papers 14, globADVANTAGE, Polytechnic Institute of Leiria.
  5. Fernando A. Ribeiro Serra & Manuel Portugal Ferreira & Evandro Contrigiane, 2008. "O turnaround da Bunge nos anos 90," Working Papers 15, globADVANTAGE, Polytechnic Institute of Leiria.
  6. Fernando A. Ribeiro Serra & Manuel Portugal Ferreira & Wagner Alessandro Teixeira, 2008. "A responsabilidade social no Brasil: O caso da cooperativa COCAMAR," Working Papers 16, globADVANTAGE, Polytechnic Institute of Leiria.
  7. Getulio Nunes & Edgar Lanzer & Fernando A. Ribeiro Serra & Manuel Portugal Ferreira, 2008. "Emergência do marketing nas instituições de ensino superior: Um estudo exploratório," Working Papers 17, globADVANTAGE, Polytechnic Institute of Leiria.
  8. Manuel Portugal Ferreira & Fernando A. Ribeiro Serra, 2008. "The impact of strategic resource seeking and market seeking strategies on foreign entry modes under institutional pressures," Working Papers 23, globADVANTAGE, Polytechnic Institute of Leiria.
  9. Manuel Portugal Ferreira & Dan Li & Fernando A. Ribeiro Serra, 2008. "Composition of small and large firms? business networks in transition economies," Working Papers 22, globADVANTAGE, Polytechnic Institute of Leiria.
  10. Manuel Portugal Ferreira & Dan Li & Fernando A. Ribeiro Serra, 2008. "Firm Characteristics and Country Institutional Development: Business Relationships with Foreign Firms in Transition Economies," Working Papers 20, globADVANTAGE, Polytechnic Institute of Leiria.
  11. Manuel Portugal Ferreira, 2008. "Networks for change: How networks influence organizational change," Working Papers 21, globADVANTAGE, Polytechnic Institute of Leiria.
  12. Mauricio Andrade Lima & Fernando A. Ribeiro Serra & Victor Meyer Jr & Manuel Portugal Ferreira, 2008. "Modelando o BSC para as Universidades do Sistema ACAFE," Working Papers 19, globADVANTAGE, Polytechnic Institute of Leiria.
  13. Marcus Vinicius Anátocles Ferreira & Fernando A. Ribeiro Serra & Manuel Portugal Ferreira, 2008. "Metodologia participativa no planejamento estratégico institucional de uma Instituição de Ensino Superior (IES) comunitária," Working Papers 18, globADVANTAGE, Polytechnic Institute of Leiria.
  14. Manuel Portugal Ferreira & Fernando A. Ribeiro Serra, 2008. "Open and closed industry clusters: The social structure of innovation," Working Papers 24, globADVANTAGE, Polytechnic Institute of Leiria.
  15. Alexandre Pavan Torres & Emilio Araújo Menezes & Fernando A. Ribeiro Serra & Manuel Portugal Ferreira, 2008. "O declínio das grandes empresas brasileiras," Working Papers 26, globADVANTAGE, Polytechnic Institute of Leiria.
  16. Aline Botelho Schneider & Marcelo Lopes Carneiro & Fernando A. Ribeiro Serra & Manuel Portugal Ferreira, 2008. "Michael Porter 30 anos depois de Estratégia Competitiva: Influência do autor nos trabalhos brasileiros em estratégia ? estudo bibliométrico em trabalhos dos últimos dez anos do Enanpad," Working Papers 25, globADVANTAGE, Polytechnic Institute of Leiria.

2007

  1. Dan Li & Manuel Portugal Ferreira & Fernando Serra, 2007. "Technology transfer within MNEs: An investigation of inter-subsidiary competition and cooperation," Working Papers 1, globADVANTAGE, Polytechnic Institute of Leiria.
  2. Manuel Portugal Ferreira & Sungu Armagan & Dan Li, 2007. "Vertical Integration For Full Outsourcing: Growth And Internationalization Of A Portuguese Packaging Firm," Working Papers 4, globADVANTAGE, Polytechnic Institute of Leiria.
  3. Manuel Portugal Ferreira & Dan Li & Yong Suk Jang, 2007. "Foreign Entry Strategies: Strategic Adaptation To Various Facets Of The Institutional Environment," Working Papers 3, globADVANTAGE, Polytechnic Institute of Leiria.
  4. Manuel Portugal Ferreira & Dan Li & Stephen Guisinger, 2007. "Is the 'International Business Environment' the Actual Context for IB Research?," Working Papers 2, globADVANTAGE, Polytechnic Institute of Leiria.
  5. Manuel Portugal Ferreira & Stephen Tallman & Dan Li, 2007. "Do we buy more or less when we want to learn? The knowledge strategies and structural forms of US cross-border acquisitions," Working Papers 6, globADVANTAGE, Polytechnic Institute of Leiria.
  6. Dan Li & Manuel Portugal Ferreira, 2007. "Internal and external factors on firms? transfer pricing decisions: Insights from organization studies," Working Papers 5, globADVANTAGE, Polytechnic Institute of Leiria.
  7. Manuel Portugal Ferreira & Fernando Ribeiro Serra & João Carvalho Santos, 2007. "The international entrepreneurial firms' social networks," Working Papers 7, globADVANTAGE, Polytechnic Institute of Leiria.

2006

  1. Manuel Portugal Ferreira & Ana Teresa Tavares & William Hesterly & Sungu Armagan, 2006. "Network and firm antecedents of spin-offs: Motherhooding spin-offs," FEP Working Papers 201, Universidade do Porto, Faculdade de Economia do Porto.

2005

  1. Blandina Oliveira & Adelino Fortunato, 2005. "The Dynamics of the Growth of Firms: Evidence from the Services Sector," GEMF Working Papers 2005-04, GEMF - Faculdade de Economia, Universidade de Coimbra.
  2. Blandina Oliveira & Adelino Fortunato, 2005. "Firm Growth and Liquidity Constraints: A Dynamic Analysis," GEMF Working Papers 2005-07, GEMF - Faculdade de Economia, Universidade de Coimbra.
  3. Blandina Oliveira & Adelino Fortunato, 2005. "Firm Growth and Persistence of Chance: Evidence from Portuguese Microdata," GEMF Working Papers 2005-10, GEMF - Faculdade de Economia, Universidade de Coimbra.

2003

  1. Blandina Oliveira & Adelino Fortunato, 2003. "Testing Gibrat’s Law: Empirical Evidence from a Panel of Portuguese Manufacturing Firms," GEMF Working Papers 2003-07, GEMF - Faculdade de Economia, Universidade de Coimbra.

Journal articles

2014

  1. Pedro Gaudêncio & Arnaldo Coelho & Neuza Ribeiro, 2014. "Organisational Csr Practices: Employees' Perceptions And Impact On Individual Performance," International Journal of Innovation Management (ijim), World Scientific Publishing Co. Pte. Ltd., vol. 18(04), pages 1450025-1-1.

2013

  1. Ana Sofia Lopes & Paulino Teixeira, 2013. "Productivity, wages, and the returns to firm-provided training: fair shared capitalism?," International Journal of Manpower, Emerald Group Publishing, vol. 34(7), pages 776 - 793, November.

2011

  1. Li, Dan & Ferreira, Manuel Portugal, 2011. "Institutional environment and firms' sources of financial capital in Central and Eastern Europe," Journal of Business Research, Elsevier, vol. 64(4), pages 371-376, April.
  2. Tania Marques & Isabel Suarez Gonzalez & Pedro Cruz & Manuel Portugal Ferreira, 2011. "Downsizing and Profitability: An Empirical Study of Portuguese Firms in 1993¡V2005," International Journal of Business and Economics, College of Business, and College of Finance, Feng Chia University, Taichung, Taiwan, vol. 10(1), pages 13-26, April.
  3. Rego, Arménio & Ribeiro, Neuza & Cunha, Miguel Pina e & Jesuino, Jorge Correia, 2011. "How happiness mediates the organizational virtuousness and affective commitment relationship," Journal of Business Research, Elsevier, vol. 64(5), pages 524-532, May.

2010

  1. Arménio Rego & Neuza Ribeiro & Miguel Cunha, 2010. "Perceptions of Organizational Virtuousness and Happiness as Predictors of Organizational Citizenship Behaviors," Journal of Business Ethics, Springer, vol. 93(2), pages 215-235, May.

2008

  1. Dan Li & Manuel Portugal Ferreira, 2008. "Internal and External Factors on Firms’ Transfer Pricing Decisions: Insights from Organization Studies," Notas Económicas, Faculdade de Economia, Universidade de Coimbra, issue 27, pages 23-38, June.
  2. Li, Dan & Ferreira, Manuel Portugal, 2008. "Partner selection for international strategic alliances in emerging economies," Scandinavian Journal of Management, Elsevier, vol. 24(4), pages 308-319, December.
  3. Blandina Oliveira & Adelino Fortunato, 2008. "The dynamics of the growth of firms: evidence from the services sector," Empirica, Springer, vol. 35(3), pages 293-312, July.

2006

  1. Dan Li & Manuel Portugal Ferreira, 2006. "The Evolutionary Model of Entrepreneurial Firms' Dependence on Networks: Going beyond the start-up stage," Notas Económicas, Faculdade de Economia, Universidade de Coimbra, issue 24, pages 48-63, December.
  2. Blandina Oliveira & Adelino Fortunato, 2006. "Testing Gibrat's Law: Empirical Evidence from a Panel of Portuguese Manufacturing Firms," International Journal of the Economics of Business, Taylor & Francis Journals, vol. 13(1), pages 65-81.
  3. Blandina Oliveira & Adelino Fortunato, 2006. "Firm Growth and Liquidity Constraints: A Dynamic Analysis," Small Business Economics, Springer, vol. 27(2), pages 139-156, October.

2005

  1. Li, Sali & Tallman, Stephen B. & Ferreira, Manuel P., 2005. "Developing the eclectic paradigm as a model of global strategy: An application to the impact of the Sep. 11 terrorist attacks on MNE performance levels," Journal of International Management, Elsevier, vol. 11(4), pages 479-496, December.

2004

  1. Fátima Barreiros & Manuel P. Ferreira & Judite Vieira, 2004. "Sentimentos e comportamentos em matéria ambiental: detecção de diferenças entre género e grupos profissionais," Notas Económicas, Faculdade de Economia, Universidade de Coimbra, issue 19, pages 49-64, June.

2002

  1. Manuel Portugal Ferreira & José Esperança & Márcio Lopes, 2002. "Modelos de Crescimento e Governação das Transacções no Sector das Embalagens: três casos portugueses," Notas Económicas, Faculdade de Economia, Universidade de Coimbra, issue 16, pages 34-47, November.