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Time-Consistent Protection with Learning by Doing

  • Miravete, Eugenio J

Can a government induce efficiency gains in domestic industry by protecting it against foreign competition? Would such trade protection be time-consistent? The present Paper builds a dynamic equilibrium model that accounts for learning-by-doing effects that link firms' strategies over time. The model shows that the existence of dynamic economies of scale suffices to overcome the traditional government's lack of commitment to its tariff policy. This Paper compares the infinite horizon Markov Perfect Equilibria of this game with the dynamic equilibrium under commitment as well as the static Nash equilibrium. Equilibrium strategies are derived in closed form by solving a linear-quadratic differential game. Optimal trade policy involves higher tariff levels than in the static setup in order to account for future gains in efficiency.

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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 2937.

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Date of creation: Sep 2001
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Handle: RePEc:cpr:ceprdp:2937
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  1. Miyagiwa, K. & Ohno, Y., 1993. "Closing the Technology Gap Under Protection," Working Papers 93-09, University of Washington, Department of Economics.
  2. Fershtman, C. & Kamien, M.I., 1988. "Turnpike Properties In A Finite Horizon Differential Game: Dynamic Duopoly With Sticky Prices," Papers 4-88, Tel Aviv.
  3. Lockwood, Ben, 1996. "Uniqueness of Markov-perfect equilibrium in infinite-time affine-quadratic differential games," Journal of Economic Dynamics and Control, Elsevier, vol. 20(5), pages 751-765, May.
  4. Obstfeld, Maurice, 1997. "Dynamic Seigniorage Theory: An Exploration," Department of Economics, Working Paper Series qt712610vq, Department of Economics, Institute for Business and Economic Research, UC Berkeley.
  5. repec:cup:cbooks:9780521336055 is not listed on IDEAS
  6. Staiger, Robert W & Tabellini, Guido, 1987. "Discretionary Trade Policy and Excessive Protection," American Economic Review, American Economic Association, vol. 77(5), pages 823-37, December.
  7. Gruenspecht, Howard K., 1988. "Dumping and dynamic competition," Journal of International Economics, Elsevier, vol. 25(3-4), pages 225-248, November.
  8. Miravete, Eugenio J., 2003. "Time-consistent protection with learning by doing," European Economic Review, Elsevier, vol. 47(5), pages 761-790, October.
  9. Lockwood, Ben & Philippopoulos, Apostolis, 1994. "Insider Power, Unemployment Dynamics and Multiple Inflation Equilibria," Economica, London School of Economics and Political Science, vol. 61(241), pages 59-77, February.
  10. Reynolds, Stanley S, 1987. "Capacity Investment, Preemption and Commitment in an Infinite Horizon Model," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 28(1), pages 69-88, February.
  11. Dinopoulos, Elias & Lewis, Tracy R. & Sappington, David E. M., 1995. "Optimal industrial targeting with unknown learning-by-doing," Journal of International Economics, Elsevier, vol. 38(3-4), pages 275-295, May.
  12. Pearce, David & Stacchetti, Ennio, 1997. "Time Consistent Taxation by a Government with Redistributive Goals," Journal of Economic Theory, Elsevier, vol. 72(2), pages 282-305, February.
  13. Kiminori Matsuyama, 1987. "Perfect Equilibria in a Trade Liberalization Game," Discussion Papers 738, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  14. Tornell, Aaron, 1991. "Time Inconsistency of Protectionist Programs," The Quarterly Journal of Economics, MIT Press, vol. 106(3), pages 963-74, August.
  15. Cohen, Daniel & Michel, Philippe, 1988. "How Should Control Theory Be Used to Calculate a Time-Consistent Government Policy?," Review of Economic Studies, Wiley Blackwell, vol. 55(2), pages 263-74, April.
  16. Reynolds, Stanley S., 1991. "Dynamic oligopoly with capacity adjustment costs," Journal of Economic Dynamics and Control, Elsevier, vol. 15(3), pages 491-514, July.
  17. Driskill, Robert A. & McCafferty, Stephen, 1989. "Dynamic duopoly with adjustment costs: A differential game approach," Journal of Economic Theory, Elsevier, vol. 49(2), pages 324-338, December.
  18. Miyagiwa, Kaz & Ohno, Yuka, 1999. "Credibility of Protection and Incentives to Innovate," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 40(1), pages 143-63, February.
  19. Fershtman, Chaim & Kamien, Morton I, 1987. "Dynamic Duopolistic Competition with Sticky Prices," Econometrica, Econometric Society, vol. 55(5), pages 1151-64, September.
  20. Leahy, Dermot & Neary, J Peter, 1999. "Learning by Doing, Precommitment and Infant-Industry Promotion," Review of Economic Studies, Wiley Blackwell, vol. 66(2), pages 447-74, April.
  21. Reinganum, Jennifer F, 1982. "A Dynamic Game of R and D: Patent Protection and Competitive Behavior," Econometrica, Econometric Society, vol. 50(3), pages 671-88, May.
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