This paper analyses how governments in the EU(15) countries have succeeded in stimulating investments in wind turbines between 1985 and 2005. I use four different evaluation criteria (Tobin's Q, Euler equation estimation, investment accelerator model, and the effective marginal tax rate) to...

The U.S. Congress needs to determine subsidies for wind energy before they expire at the end of this year. Traditionally, the government has allowed each wind investor to choose its preferred subsidy among two types of subsidies: First is the investment subsidy which reduces the initial...