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Time-Consistent Protection with Learning by Doing

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Author Info
Miravete, Eugenio J
Abstract

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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Related research
Keywords: infant-industry; infinite horizon markov perfect equilibria; linear-quadratic differential game; tariff protection;

Find related papers by JEL classification:
C73 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Stochastic and Dynamic Games; Evolutionary Games
F12 - International Economics - - Trade - - - Models of Trade with Imperfect Competition and Scale Economies
F13 - International Economics - - Trade - - - Trade Policy; International Trade Organizations

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  1. Tornell, Aaron, 1991. "Time Inconsistency of Protectionist Programs," The Quarterly Journal of Economics, MIT Press, vol. 106(3), pages 963-74, August. [Downloadable!] (restricted)
  2. 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. [Downloadable!] (restricted)
  3. 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.
  4. 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. [Downloadable!] (restricted)
  5. Maurice Obstfeld and ., 1997. "Dynamic Seigniorage Theory: An Exploration," Center for International and Development Economics Research (CIDER) Working Papers C97-085, University of California at Berkeley.
    Other versions:
  6. 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. [Downloadable!] (restricted)
  7. 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. [Downloadable!] (restricted)
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  8. Cohen, Daniel & Michel, Philippe, 1988. "How Should Control Theory Be Used to Calculate a Time-Consistent Government Policy?," Review of Economic Studies, Blackwell Publishing, vol. 55(2), pages 263-74, April. [Downloadable!] (restricted)
  9. Reynolds, Stanley S., 1991. "Dynamic oligopoly with capacity adjustment costs," Journal of Economic Dynamics and Control, Elsevier, vol. 15(3), pages 491-514, July. [Downloadable!] (restricted)
  10. 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. [Downloadable!] (restricted)
  11. 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. [Downloadable!] (restricted)
  12. Matsuyama, Kiminori, 1990. "Perfect Equilibria in a Trade Liberalization Game," American Economic Review, American Economic Association, vol. 80(3), pages 480-92, June. [Downloadable!] (restricted)
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  13. 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. [Downloadable!] (restricted)
  14. Miyagiwa, Kaz & Ohno, Yuka, 1995. "Closing the Technology Gap under Protection," American Economic Review, American Economic Association, vol. 85(4), pages 755-70, September. [Downloadable!] (restricted)
    Other versions:
  15. Leahy, Dermot & Neary, J Peter, 1999. "Learning by Doing, Precommitment and Infant-Industry Promotion," Review of Economic Studies, Blackwell Publishing, vol. 66(2), pages 447-74, April. [Downloadable!] (restricted)
  16. 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. [Downloadable!] (restricted)
  17. Gruenspecht, Howard K., 1988. "Dumping and dynamic competition," Journal of International Economics, Elsevier, vol. 25(3-4), pages 225-248, November. [Downloadable!] (restricted)
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