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Microeconomic Foundation of the Phillips Curve

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  • Tanaka Yasuhito

    (Doshisha University, Japan)

Abstract

It is an important problem to derive negative relation between the unemployment rate and the inflation rate, that is, the Phillips curve without market imperfection. We derive the Phillips curve using an overlapping generations model under monopolistic competition. We consider the effects of exogenous changes in labor productivity. An increase (decrease) in the labor productivity in a period induces a decrease (increase) in the employment, an increase (decrease) in the unemployment rate and a falling (rising) in the price of the goods in the same period. Then, given the price in the previous period the inflation rate falls (rises). This conclusion is based on the premise of utility maximization of consumers and profit maximization of firms. Therefore, we have presented a microeconomic foundation of the Phillips curve.

Suggested Citation

  • Tanaka Yasuhito, 2020. "Microeconomic Foundation of the Phillips Curve," Studia Universitatis Babeș-Bolyai Oeconomica, Sciendo, vol. 65(3), pages 14-26, December.
    • Handle: RePEc:vrs:subboe:v:65:y:2020:i:3:p:14-26:n:2
    DOI: 10.2478/subboec-2020-0012
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    References listed on IDEAS

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    More about this item

    Keywords

    Phillips Curve; Microeconomic foundation; Overlapping generations model; Monopolistic competition;
    All these keywords.

    JEL classification:

    • E12 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - Keynes; Keynesian; Post-Keynesian; Modern Monetary Theory
    • E24 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Employment; Unemployment; Wages; Intergenerational Income Distribution; Aggregate Human Capital; Aggregate Labor Productivity
    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation

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