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Price stabilization using buffer stocks

  • Athanasiou, George
  • Karafyllis, Iasson
  • Kotsios, Stelios

The price stabilization problem is stated and solved for a nonlinear cobweb model with government stocks. It is shown that if the storage capacity for the commodity is sufficiently large then there exists a simple stabilization policy, called the 'keep supply at equilibrium (KSE)' policy, such that the equilibrium price is a global attractor for the corresponding closed-loop system. In addition, it is shown that if the government approximates the equilibrium supply with the average supply, stabilization is guaranteed. We refer to this policy as 'keep supply at average (KSA)'.

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Article provided by Elsevier in its journal Journal of Economic Dynamics and Control.

Volume (Year): 32 (2008)
Issue (Month): 4 (April)
Pages: 1212-1235

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Handle: RePEc:eee:dyncon:v:32:y:2008:i:4:p:1212-1235
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  7. Hommes, Cars H. & Nusse, Helena E. & Simonovits, Andras, 1995. "Cycles and chaos in a socialist economy," Journal of Economic Dynamics and Control, Elsevier, vol. 19(1-2), pages 155-179.
  8. Carl Chiarella & Xue-Zhong He, 2001. "Dynamics of Beliefs and Learning Under aL Processes - The Heterogeneous Case," Research Paper Series 55, Quantitative Finance Research Centre, University of Technology, Sydney.
  9. C.H. Hommes & J.H. Sonnemans & J. Tuinstra & H. van de Velde, 2003. "Learning in Cobweb Experiments," Tinbergen Institute Discussion Papers 03-020/1, Tinbergen Institute.
  10. Lichtenberg, A. J. & Ujihara, A., 1989. "Application of nonlinear mapping theory to commodity price fluctuatuions," Journal of Economic Dynamics and Control, Elsevier, vol. 13(2), pages 225-246, April.
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  12. Onozaki, Tamotsu & Sieg, Gernot & Yokoo, Masanori, 2003. "Stability, chaos and multiple attractors: a single agent makes a difference," Journal of Economic Dynamics and Control, Elsevier, vol. 27(10), pages 1917-1938, August.
  13. Chavas, Jean-Paul, 2000. "On information and market dynamics: The case of the U.S. beef market," Journal of Economic Dynamics and Control, Elsevier, vol. 24(5-7), pages 833-853, June.
  14. Xue-Zhong He & Frank H. Westerhoff, 2004. "Commodity Markets, Price Limiters and Speculative Price Dynamics," Research Paper Series 136, Quantitative Finance Research Centre, University of Technology, Sydney.
  15. Brennan, Donna C., 2003. "Price dynamics in the Bangladesh rice market: implications for public intervention," Agricultural Economics of Agricultural Economists, International Association of Agricultural Economists, vol. 29(1), July.
  16. Lasselle, Laurence & Svizzero, Serge & Tisdell, Clem, 2005. "Stability And Cycles In A Cobweb Model With Heterogeneous Expectations," Macroeconomic Dynamics, Cambridge University Press, vol. 9(05), pages 630-650, November.
  17. Akio Matsumoto, 1998. "Do Government Subsidies Stabilize Or Destabilize Agricultural Markets?," Contemporary Economic Policy, Western Economic Association International, vol. 16(4), pages 452-466, October.
  18. Brennan, Donna, 2003. "Price dynamics in the Bangladesh rice market: implications for public intervention," Agricultural Economics, Blackwell, vol. 29(1), pages 15-25, July.
  19. Simonovits, A, 1991. "Investment Limit Cycles in a Socialist Economy," Economic Change and Restructuring, Springer, vol. 24(1), pages 27-46.
  20. Artstein, Zvi, 1983. "Irregular cobweb dynamics," Economics Letters, Elsevier, vol. 11(1-2), pages 15-17.
  21. Hommes, Cars H., 1998. "On the consistency of backward-looking expectations: The case of the cobweb," Journal of Economic Behavior & Organization, Elsevier, vol. 33(3-4), pages 333-362, January.
  22. Miranda, Mario J & Helmberger, Peter G, 1988. "The Effects of Commodity Price Stabilization Programs," American Economic Review, American Economic Association, vol. 78(1), pages 46-58, March.
  23. Arzac, Enrique R., 1979. "An Econometric Evaluation Of Stabilization Policies For The U.S. Grain Market," Western Journal of Agricultural Economics, Western Agricultural Economics Association, vol. 4(01), July.
  24. Hommes, Cars H., 1991. "Adaptive learning and roads to chaos : The case of the cobweb," Economics Letters, Elsevier, vol. 36(2), pages 127-132, June.
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