The ecological tax reform that Germany implemented between 1999 and 2003 increased energy tax rates-especially on gasoline and diesel. Today, the ecological tax hikes yield an annual revenue of around 20 billion euros or 0.6 percent of GDP. The money is used to finance a higher federal grant to...

A Beveridgean pension scheme invariably introduces a wedge between the wage rate and the marginal take-home pay. A Bismarckian one can do so only if it is not actuarially fair, or in the presence of credit rationing. Interestingly, if the two possible sources of distortion are present at the...