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Welfare analysis of uniform entry tax in a general equilibrium model with heterogeneous industries

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  • Iwaisako, Tatsuro

Abstract

This paper examines whether uniform entry taxes across all industries can improve welfare in a monopolistic competition model with multiple groups of differentiated goods, which vary in parameters including their elasticity of substitution and taste for variety. The results show that even if taste for variety is high and monopoly power is weak in some industries, the uniform tax rate on entries across all industries can improve welfare when the weighted average of taste for variety over all industries is low and when the weighted average of the Lerner index of monopoly power over all industries is high.

Suggested Citation

  • Iwaisako, Tatsuro, 2019. "Welfare analysis of uniform entry tax in a general equilibrium model with heterogeneous industries," Economics Letters, Elsevier, vol. 178(C), pages 54-57.
  • Handle: RePEc:eee:ecolet:v:178:y:2019:i:c:p:54-57
    DOI: 10.1016/j.econlet.2019.02.003
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    References listed on IDEAS

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    1. Nocco, Antonella & Ottaviano, Gianmarco I.P. & Salto, Matteo, 2017. "Monopolistic competition and optimum product selection: Why and how heterogeneity matters," Research in Economics, Elsevier, vol. 71(4), pages 704-717.
    2. Pierre M. Picard & Eric Toulemonde, 2009. "On monopolistic competition and optimal product diversity: workers' rents also matter," Canadian Journal of Economics, Canadian Economics Association, vol. 42(4), pages 1347-1360, November.
    3. Dixit, Avinash K & Stiglitz, Joseph E, 1977. "Monopolistic Competition and Optimum Product Diversity," American Economic Review, American Economic Association, vol. 67(3), pages 297-308, June.
    4. Junko Doi & Koichi Futagami, 2004. "Commodity Taxation and the Effects of Entry: A Case of Variety Preferences," Journal of Economics, Springer, vol. 83(3), pages 267-279, December.
    5. Benassy, Jean-Pascal, 1996. "Taste for variety and optimum production patterns in monopolistic competition," Economics Letters, Elsevier, vol. 52(1), pages 41-47, July.
    6. Chu, Angus C., 2011. "The welfare cost of one-size-fits-all patent protection," Journal of Economic Dynamics and Control, Elsevier, vol. 35(6), pages 876-890, June.
    7. V. Lewis, 2010. "Product Diversity, Strategic Interactions and Optimal Taxation," Working Papers of Faculty of Economics and Business Administration, Ghent University, Belgium 10/661, Ghent University, Faculty of Economics and Business Administration.
    8. Antonella Nocco & Gianmarco I. P. Ottaviano & Matteo Salto, 2014. "Monopolistic Competition and Optimum Product Selection," American Economic Review, American Economic Association, vol. 104(5), pages 304-309, May.
    9. Vivien Lewis & Roland Winkler, 2015. "Product Diversity, Demand Structures, And Optimal Taxation," Economic Inquiry, Western Economic Association International, vol. 53(2), pages 979-1003, April.
    10. repec:wly:canjec:v:42:y:2009:i:4:p:1347-1360 is not listed on IDEAS
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    More about this item

    Keywords

    Heterogeneous industries; Taste for variety; Uniform entry tax;

    JEL classification:

    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L16 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Industrial Organization and Macroeconomics; Macroeconomic Industrial Structure

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