money growth leads to higher inflation and higher unemployment, so the long-run Phillips curve is not vertical. The optimal … monetary growth rate decreases with the workers' bargaining power, the level of unemployment benefits and the payroll tax rate …. -- inflation ; unemployment ; search-matching ; Friedman rule …

suggest that a more progressive tax schedule reduces the unemployment rate and increases the employment rate. These findings …

stamps which partially insure productivity risk is greater than the value of unemployment insurance which provides (partial …) insurance against employment risk and no insurance against persistent shocks. -- Uncertainty ; life-cycle models ; unemployment …