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Monopolistic Competition, Dynamic Inefficiency and Asset Bubbles

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  • Femminis, Gianluca

Abstract

We emphasise the importance of the market structure to determine whether dynamic inefficiency is possible in a closed economy. We analyse alternative monopolistic competition frameworks where the existence of some pure profit involves the presence of an asset market. When entry is blockaded, dynamic inefficiency is ruled out because every single firm uses a discount rate higher than the output growth rate to evaluate the stream of future profits. When entry is free but involves a sunk cost constant over time, we need to distinguish between the possibility of asset bubbles and dynamic inefficiency, the condition for the latter being more stringent. If the entry cost increases with productivity, dynamically inefficient equilibria are possible only when population grows.

Suggested Citation

  • Femminis, Gianluca, 1999. "Monopolistic Competition, Dynamic Inefficiency and Asset Bubbles," CEPR Discussion Papers 2272, C.E.P.R. Discussion Papers.
    • Handle: RePEc:cpr:ceprdp:2272
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    Cited by:

    1. Pierre Cahuc & Edouard Challe, 2012. "Produce Or Speculate? Asset Bubbles, Occupational Choice, And Efficiency," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 53(4), pages 1105-1131, November.
    2. Femminis, Gianluca, 2016. "Money growth, dynamic efficiency and asset bubbles in a perpetual youth model," Economics Letters, Elsevier, vol. 138(C), pages 68-71.
    3. Oz Shy & Rune Stenbacka, 2019. "Bank competition, real investments, and welfare," Journal of Economics, Springer, vol. 127(1), pages 73-90, June.

    More about this item

    Keywords

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    JEL classification:

    • O41 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - One, Two, and Multisector Growth Models

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