Inventories in Dynamic General Equilibrium
AbstractThis article investigates a dynamic general equilibrium model with a stockout constraint, which means that no seller can sell more than the inventories that she has. The model successfully explains two inventory facts; (i) inventory investment is procyclical, and (ii) production is more volatile than sales. The key intuition is that, since inventories and demand are complements in generating sales, the optimal level of inventories is increasing in expected demand. Thus, when demand is expected to be strong, firms increase their production not only to meet their demand but also to accumulate inventories. Also, our model shows that the inventory to sales ratio is persistent and countercyclical, while the (endogenous) markup is countercyclical. These are because a high interest rate in booms discourages firms to hold inventories.
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Bibliographic InfoPaper provided by Department of Economics, University of Kent in its series Studies in Economics with number 1005.
Date of creation: Apr 2010
Date of revision:
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Postal: Department of Economics, University of Kent at Canterbury, Canterbury, Kent, CT2 7NP
Phone: +44 (0)1227 764000
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This paper has been announced in the following NEP Reports:
- NEP-ALL-2010-08-14 (All new papers)
- NEP-BEC-2010-08-14 (Business Economics)
- NEP-DGE-2010-08-14 (Dynamic General Equilibrium)
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