Dynamic (S,s) Economies
In this paper we provide a framework to study the aggregate dynamic behavior of an economy where individual units follow (S,s) policies. We characterize structural and stochastic heterogeneities that ensure convergence of the economy's aggregate to that of its frictionless counterpart, determine the speed at which convergence takes place, and describe the transitional dynamics of this economy. In particular, we consider a dynamic economy where agents differ in their initial positions within their bands and face both stochastic and structural heterogeneity; where the former refers to the presence of (unit specific) idiosyncratic shocks, and the latter to differences in the widths of units' (S,s) bands and their response to aggregate shocks. We study the evolution of the economy's aggregate and the evolution of the difference between this aggregate and that of an economy without macroeconomic friction, where the latter pertains to a situation where individual units adjust with no delay to all shocks. We also examine the sensitivity of this difference to common shocks. For example, in the retail inventory problem the aggregate deviation and sensitivity to common shocks correspond to the aggregate inventory level and its sensitivity to aggregate demand shocks, respectively.
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| Length: | |
| Date of creation: | Jun 1991 |
| Publication status: | published as Econometrica, November 1991,pp. 1659-1686 |
| Handle: | RePEc:nbr:nberwo:3734 |
| Note: | EFG |
| Contact details of provider: | Postal: National Bureau of Economic Research, 1050 Massachusetts Avenue Cambridge, MA 02138, U.S.A. Phone: 617-868-3900 Web page: http://www.nber.org Email: More information through EDIRC
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References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
- Andrew S. Caplin & Daniel F. Spulber, 1987.
"Menu Costs and the Neutrality of Money,"
The Quarterly Journal of Economics,
Oxford University Press, vol. 102(4), pages 703-725.
- Andrew C. Caplin & Daniel F. Spulber, 1987. "Menu Costs and the Neutrality of Money," NBER Working Papers 2311, National Bureau of Economic Research, Inc.
- Benabou, Roland, 1989. "Optimal Price Dynamics and Speculation with a Storable Good," Econometrica, Econometric Society, vol. 57(1), pages 41-80, January.
- Benabou, Roland, 1987. "Optimal price dynamics and speculation with a storable good," CEPREMAP Working Papers (Couverture Orange) 8708, CEPREMAP.
- George A. Akerlof, 1979. "Irving Fisher on his Head: The Consequences of Constant Threshold-Target Monitoring of Money Holdings," The Quarterly Journal of Economics, Oxford University Press, vol. 93(2), pages 169-187.
- Caplin, Andrew S, 1985. "The Variability of Aggregate Demand with (S, s) Inventory Policies," Econometrica, Econometric Society, vol. 53(6), pages 1395-1409, November. Full references (including those not matched with items on IDEAS)
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