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Inventories and optimal monetary policy

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Abstract

We introduce inventories into a standard New Keynesian Dynamic Stochastic General Equilibrium model to study the effect on the design of optimal monetary policy. The possibility of inventory investment changes the transmission mechanism in the model by de-coupling production from final consumption. This allows for a higher degree of consumption smoothing since firms can add excess production to their inventory holdings. We consider both Ramsey-optimal monetary policy and a monetary policy that maximizes consumer welfare over a set of simple interest rate feedback rules. Surprisingly, we find that in contrast to a model without inventories, Ramsey-optimal monetary policy in a model with inventories slightly deviates from complete inflation stabilization, but the welfare differences are minor. Moreover, we also find in line with the existing literature that the application of simple rules comes very close to replicating Ramsey-optimal outcomes.

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  • Thomas A. Lubik & Wing Leong Teo, 2009. "Inventories and optimal monetary policy," Economic Quarterly, Federal Reserve Bank of Richmond, vol. 95(Fall), pages 357-382.
    • Handle: RePEc:fip:fedreq:y:2009:i:fall:p:357-382:n:v.95no.4
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    Cited by:

    1. Teo, Wing Leong, 2011. "Inventories and optimal monetary policy in a small open economy," Journal of International Money and Finance, Elsevier, vol. 30(8), pages 1719-1748.
    2. Marcel Förster, 2013. "The Great Moderation: Inventories, Shocks or Monetary Policy?," MAGKS Papers on Economics 201348, Philipps-Universität Marburg, Faculty of Business Administration and Economics, Department of Economics (Volkswirtschaftliche Abteilung).
    3. Marcel Förster, 2014. "An Empirical Analysis of Business Cycles in a New Keynesian Model with Inventories," MAGKS Papers on Economics 201413, Philipps-Universität Marburg, Faculty of Business Administration and Economics, Department of Economics (Volkswirtschaftliche Abteilung).
    4. Anthony Diercks, 2016. "The Equity Premium, Long-Run Risk, and Optimal Monetary Policy," 2016 Meeting Papers 207, Society for Economic Dynamics.
    5. Lubik, Thomas A. & Teo, Wing Leong, 2012. "Inventories, inflation dynamics and the New Keynesian Phillips curve," European Economic Review, Elsevier, vol. 56(3), pages 327-346.
    6. Anthony M. Diercks, 2015. "The Equity Premium, Long-Run Risk, & Optimal Monetary Policy," Finance and Economics Discussion Series 2015-87, Board of Governors of the Federal Reserve System (U.S.).

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    More about this item

    Keywords

    Monetary policy;

    JEL classification:

    • E24 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Employment; Unemployment; Wages; Intergenerational Income Distribution; Aggregate Human Capital; Aggregate Labor Productivity
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • J64 - Labor and Demographic Economics - - Mobility, Unemployment, Vacancies, and Immigrant Workers - - - Unemployment: Models, Duration, Incidence, and Job Search

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