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Optimal Fiscal Policies, Congestion and Over-entry


  • Juin-jen Chang
  • Hsiao-wen Hung
  • Jhy-yuan Shieh
  • Ching-chong Lai


By shedding light on market imperfections and the congestion of public goods, we show that free entry in a market equilibrium will lead to excessive entry relative to the social optimum. Moreover, by specifying a generalized congestion function, it is also shown that different fiscal policies, including labor income tax, capital income tax and government expenditure, play a distinct role in terms of remedying market distortions. Specifically, optimal income taxes decrease with the degree of market imperfections in order to remove the monopoly inefficiency, while they increase with the degree of congestion in order to remedy the adverse externality caused by congestion distortion. Since a higher degree of increasing returns to an expansion in the variety of intermediate goods is found to intensify the congestion effect of government infrastructure expenditure, the optimal rule of government expenditure proposed by Barro (1990) should be modified. Copyright The editors of the "Scandinavian Journal of Economics" 2007 .

Suggested Citation

  • Juin-jen Chang & Hsiao-wen Hung & Jhy-yuan Shieh & Ching-chong Lai, 2007. "Optimal Fiscal Policies, Congestion and Over-entry," Scandinavian Journal of Economics, Wiley Blackwell, vol. 109(1), pages 137-151, March.
  • Handle: RePEc:bla:scandj:v:109:y:2007:i:1:p:137-151

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    References listed on IDEAS

    1. Larsson, Laura, 2002. "Sick of being unemployed? Interactions between unemployment and sickness insurance in Sweden," Working Paper Series 2002:6, IFAU - Institute for Evaluation of Labour Market and Education Policy.
    2. Larsson, Laura, 2002. "Sick of Being Unemployed? Interactions Between Unemployment and Sickness Insurance in Sweden," Working Paper Series 2002:5, Uppsala University, Department of Economics.
    3. Cassel, Claes-M. & Johansson, Per & Palme, MÃ¥rten, 1996. "A Dynamic Discrete Choice Model of blue Collar Worker Absenteeism in Sweden 1991," SSE/EFI Working Paper Series in Economics and Finance 129, Stockholm School of Economics.
    4. Andersson, Fredrik & Vejsiu, Altin, 2001. "Determinants of plant closures in Swedish manufacturing," Working Paper Series 2001:6, IFAU - Institute for Evaluation of Labour Market and Education Policy.
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    Cited by:

    1. Hsieh Hui-ting & Lai Ching-chong & Chen Kuan-jen, 2015. "A Macroeconomic Model of Imperfect Competition with Patent Licensing," The B.E. Journal of Economic Analysis & Policy, De Gruyter, vol. 15(4), pages 1579-1618, October.
    2. repec:bpj:sndecm:v:21:y:2017:i:2:p:16:n:4 is not listed on IDEAS
    3. Chien-Yin Chen & Fu-Sheng Hung, 2012. "Monopolistic Competition and Increasing Returns: Implications for Optimal Fiscal Policies and Over-entry," Economics Bulletin, AccessEcon, vol. 32(2), pages 1142-1150.

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