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Optimal tax progressivity in unionised labour markets: what are the driving forces?

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  • Boeters, Stefan

Abstract

In labour markets with collective wage bargaining higher progressivity of the labour income tax creates a trade-off. On the one hand, wages are lowered and unemployment decreases, on the other hand, the individual labour supply decision is distorted at the hours-of-work margin. The optimal level of tax progressivity within this trade-off is determined using a numerical general equilibrium model with imperfect competition on the goods market, collective wage bargaining and a labour-supply module calibrated to empirically plausible elasticity values. The model is calibrated to macroeconomic and institutional parameters of both the OECD average and a number of individual OECD-countries. In most cases the optimal degree of tax progressivity is below the actual level. A decomposition approach shows that the optimal level is increased by high unemployment and by the general tax level.

Suggested Citation

  • Boeters, Stefan, 2009. "Optimal tax progressivity in unionised labour markets: what are the driving forces?," ZEW Discussion Papers 09-065, ZEW - Leibniz Centre for European Economic Research.
    • Handle: RePEc:zbw:zewdip:09065
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    Cited by:

    1. Stefan Boeters & Luc Savard, 2011. "The Labour Market in CGE Models," Cahiers de recherche 11-20, Departement d'économique de l'École de gestion à l'Université de Sherbrooke.
    2. Stefan Boeters, 2013. "Optimal Tax Progressivity in Unionised Labour Markets: Simulation Results for Germany," Computational Economics, Springer;Society for Computational Economics, vol. 41(4), pages 447-474, April.
    3. Chun‐Chieh Huang & Juin‐Jen Chang & Hsiao‐Wen Hung, 2020. "Progressive Tax and Inequality in a Unionized Economy," Scandinavian Journal of Economics, Wiley Blackwell, vol. 122(1), pages 38-80, January.
    4. Boeters, Stefan & Savard, Luc, 2013. "The Labor Market in Computable General Equilibrium Models," Handbook of Computable General Equilibrium Modeling, in: Peter B. Dixon & Dale Jorgenson (ed.), Handbook of Computable General Equilibrium Modeling, edition 1, volume 1, chapter 0, pages 1645-1718, Elsevier.

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    More about this item

    Keywords

    labour taxation; tax progressivity; optimal taxation; collective wage bargaining; unemployment;
    All these keywords.

    JEL classification:

    • H21 - Public Economics - - Taxation, Subsidies, and Revenue - - - Efficiency; Optimal Taxation
    • J22 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Time Allocation and Labor Supply
    • J51 - Labor and Demographic Economics - - Labor-Management Relations, Trade Unions, and Collective Bargaining - - - Trade Unions: Objectives, Structure, and Effects
    • J64 - Labor and Demographic Economics - - Mobility, Unemployment, Vacancies, and Immigrant Workers - - - Unemployment: Models, Duration, Incidence, and Job Search

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