1. The Study of Competition and Cooperation, A. van Witteloostuijn. Part I: Fundamental Issues: The Theory of the Firm. 2. On the Nature of the Firm, C. Pitelis. 3. The Maximization Assumption, Profit Maximization and Not-for-Profit Hospitals, D. Deneffe, R.T. Masson. Part II: Within-Market Competition: Research and Development, Product Differentiation, Strategic Partnering and Information Sharing. 4. Should Cooperative R&D be Subsidized? an Empirical Analysis, S. Fölster. 5. Firm Size and Efficiency in R&D Spending, B. Nooteboom, R.W. Vossen. 6. Commitment by Delegation: What is `Strategic' about Strategic Alliances? P. Welzel. 7. The Principle of Minimum Differentiation Revisited: Cournot versus Bertrand, A. Al-Nowaihi, G. Norman. 8. Credit Market Structure and Information-Sharing Mechanisms, P. van Cayseele, J. Bouckaert, H. Degryse. Part III: Across-Market Competition: Spillovers across Country, Factor and Product Markets. 9. Product Differentiation, Market Structure and Exchange Rate Passthrough, S. Martin, L. Phlips. 10. Imperfect Product Competition and the Capital-Labor Ratio of a Unionized Firm: Some Theory and Evidence from Belgian Manufacturing Firms, J. Bughin. 11. Buyer-Supplier Bargaining and Intra-Industry Competition, P.W. Dobson. 12. Capacity as a Commitment Instrument in Multi-Market Competition, M. van Wegberg. 13. Extended Rivalry and Competitive Advantage in the New Small Firm, L.R. Jacobsen, G.C. Reid, M.E. Anderson. Part IV: Competition Over Time: Entry and Exit Processes. 14. The Post-Entry Performance of New Firms, D.B. Audretsch, T. Mahmood. 15. Profitability and Number of Firms: their Dynamic Interaction in Dutch Retailing, M.A. Carree, A.R. Thurik. 16. Sunk Costs and the Dynamics of Entry in Portuguese Manufacturing, J. Mata. 17. Determinants of New Firm Formation in West German Regions 1986--1989: an Empirical Analysis, M. Fritsch. Part V: Policy Issues: Integration of Europe and Development of the Third World. 18. Problems of Restructuring in Eastern Europe, E. Kantzenbach. 19. Principles of Economic Policy in the Common Market, R. Blum, P. Welzel. 20. Output Tradeability and the Regulation of a Multinational Firm, R. Mudambi. Authors Index.