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European Commission : Directorate-General for Economic and Financial Affairs., Aino Salomaki, Giuseppe Carone, Herwig Immervoll, and Dominuque Paturot. Indicators of Unemployment and Low-wage Traps: Marginal Effective Tax Rates On Labour. Brussels ; Belgium: European Commission: Directorate-General for Economic and Financial Affairs, 2003.

European Commission : Directorate-General for Economic and Financial Affairs., et al. Indicators of Unemployment and Low-wage Traps: Marginal Effective Tax Rates On Labour. Brussels ; Belgium: European Commission: Directorate-General for Economic and Financial Affairs, 2003.