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General Equilibrium with Monopolistic Firms and Occasionally Binding Cash-in-Advance Constraints

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Abstract

We show a simple way to introduce monopolistic competition in a general equilibrium model where prices are fully flexible, the velocity of money is variable and cash-in-advance (CIA) constraints occasionally bind. We establish the conditions under which money has real effects and demonstrate that an equilibrium that occurs at a binding CIA constraint is welfare inferior to any equilibrium that occurs at a non-binding CIA constraint with the same level of technology. We argue that even though the probability of a binding CIA constraint can be increasing with money supply, under certain conditions, expansionary money supply is welfare improving.

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  • Dixon, Huw David & Pourpourides, Panayiotis M., 2010. "General Equilibrium with Monopolistic Firms and Occasionally Binding Cash-in-Advance Constraints," Cardiff Economics Working Papers E2010/6, Cardiff University, Cardiff Business School, Economics Section.
  • Handle: RePEc:cdf:wpaper:2010/6
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    Keywords

    general equilibrium; monopolistic competition;

    JEL classification:

    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • E41 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Demand for Money
    • E51 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Money Supply; Credit; Money Multipliers

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