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Inventories in Dynamic General Equilibrium

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  • Katsuyuki Shibayama

    ()

Abstract

This 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.

Suggested Citation

  • Katsuyuki Shibayama, 2010. "Inventories in Dynamic General Equilibrium," Studies in Economics 1005, School of Economics, University of Kent.
  • Handle: RePEc:ukc:ukcedp:1005
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    Keywords

    Public-private partnerships; Social Marginal Cost Pricing; Incentives; Contracts; EU Transport Policy;

    JEL classification:

    • L14 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Transactional Relationships; Contracts and Reputation
    • L33 - Industrial Organization - - Nonprofit Organizations and Public Enterprise - - - Comparison of Public and Private Enterprise and Nonprofit Institutions; Privatization; Contracting Out
    • L51 - Industrial Organization - - Regulation and Industrial Policy - - - Economics of Regulation
    • L91 - Industrial Organization - - Industry Studies: Transportation and Utilities - - - Transportation: General
    • R48 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - Transportation Economics - - - Government Pricing and Policy

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