This paper develops a perfect foresight general equilibrium simulation model of life cycle savings that may be used to investigate the potential impact of a wide range of government policies on national savings and economic welfare. The model can provide quantitative answers to a number of...

In economic analyses of the effects of tax policies, one commonly encounters discussions of the equivalence of apparently different policies, where equivalence is defined as the policies having the same impact on fundamental economic outcomes. These related tax policies may differ in many...

Federal tax policy provides a broad array of incentives for energy investment. I review those policies and construct estimates of marginal effective tax rates for different energy capital investments as of 2007. Effective tax rates vary widely across investment classes. I then consider...

Recent data present a puzzle: the ratio of corporate tax losses to positive income was much higher around 2001 than in earlier recessions. Using a comprehensive 1982-2005 sample of U.S. corporation tax returns, we explore a variety of potential explanations for this surge in tax losses, taking...

The U.S. Congress is considering a set of bills designed to limit the nation's greenhouse gas (GHG) emissions. This paper complements the analysis by Paltsev et al. (2007) of cap-and-trade bills and applies the MIT Emissions Prediction and Policy Analysis (EPPA) model to carry out an analysis of...

Tax expenditures are a major source of support for energy related activities in the federal budget exceeding direct budget support for energy by a factor of nearly six. Focusing on the policy goals of reducing greenhouse gas emissions and petroleum consumption, I find these tax expenditures...

On Aug. 8, 2005, President Bush signed the Energy Policy Act of 2005 (PL 109-58). This was the first major piece of energy legislation enacted since 1992 following five years of Congressional efforts to pass energy legislation. Among other things, the law contains tax incentives worth over $14...