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Ambiguous Money Distribution And The Price Stickiness Phenomenon: A Rationale From An Ambiguous Rational Expectations Approach

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  • Marcello Basili
  • Stefano Dalle Mura

Abstract

This paper shows that ambiguity – as opposed to risk – may lead to sticky prices even with fully rational agents. Attitude towards ambiguity is assumed, as supported by theoretical literature and experimental evidence, to be asymmetric in the form of ambiguity aversion towards uncertain gains and ambiguity seeking towards losses. In this setting that price stickiness follows a change in the money supply level that does not alter the distribution of money constitutes a self fulfilling expectations equilibrium. That is the average (expected) result, but other interesting cases can occur (price overshooting and an inverse relationship between prices economic activity). Money neutrality remains true in the long run. The main result is carried out in a model where ambiguity concerns firms’ ignorance about the relationship between the stock of money and money distribution.

Suggested Citation

  • Marcello Basili & Stefano Dalle Mura, 2008. "Ambiguous Money Distribution And The Price Stickiness Phenomenon: A Rationale From An Ambiguous Rational Expectations Approach," Department of Economic Policy, Finance and Development (DEPFID) University of Siena 0708, Department of Economic Policy, Finance and Development (DEPFID), University of Siena.
    • Handle: RePEc:usi:depfid:0708
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    References listed on IDEAS

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    More about this item

    Keywords

    ambiguity; multiple priors; price stickiness.;
    All these keywords.

    JEL classification:

    • D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • O42 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - Monetary Growth Models

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