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Cited by

• 1984The Choice of Strategic Alternatives Under Increasing Regulation in High Technology Companies131 cited
• 1987Research Expenditures and the Discovery of New Drugs108 cited
• 1971Research and Development in Industrial Growth108 cited
• 1972Research and Development Costs and Returns: The U.S. Pharmaceutical Industry96 cited
• 1980Firm Size and Efficient Entrepreneurial Activity: A Reformulation of the Schumpeter Hypothesis91 cited
• 2006Is the Pharmaceutical Industry in a Productivity Crisis?77 cited
• 1993Industrial innovation and firm performance: A re-conceptualization and exploratory structural equation analysis70 cited
• 1995R&D Costs, Innovative Output and Firm Size in the Pharmaceutical Industry68 cited
• 1986Towards a theory of multinational enterprise52 cited
• 2000International alliances as sources of capital51 cited
• 2004Impact of mergers & acquisitions on research productivity within the pharmaceutical industry27 cited
• 1996Managing an entrepreneurial organizational environment22 cited
• 2023Trade with innovation benefits: A re-appraisal using micro data from China19 cited
• 2004Research Productivity in the Japanese Pharmaceutical Industry: Economies of Scale, Economies of Scope and Spillovers