This paper explores the implications of time varying volatility for optimal monetary policy and the measurement of welfare costs. We show how macro-economic models with linear and quadratic state dependence in their variance structure can be used for the analysis of optimal policy within the...

Empirical evidence suggests that the Effective Marginal Tax Rate (EMTR) on income from capital has increased considerably in both the United States and the United Kingdom over the period 1982-2005. This evidence contradicts the corporate tax literature which predicts that the EMTR should instead...

This paper studies the effectiveness of corporate tax incentives in reducing the effective tax rate (ETR) on income from capital to stimulate business investment during economic downturns. We focus on tax rate incentives (TRIs), such as corporate tax rate cuts, and tax base incentives (TBIs),...