The effects of two environmental policy options for the reduction of pollution emissions, i.e. taxes and non-tradable quotas, are analyzed. In contrast to the prior literature this work endogenously takes into account the level of emissions before and after the adoption of the new environmental...

This commentary reflects on the recommendations of the Mirrlees Review on tax reform with a special focus on capital income taxation. Regarding the alternatives of moving to a consumption based tax system, the commentary discusses the relative merits of choosing an ACE system (allowance for...

In this paper we examine how model uncertainty due to the preference for robustness (RB) affects optimal taxation and the evolution of debt in the Barro tax-smoothing model (1979). We first study how the government spending shocks are absorbed in the short run by varying taxes or through debt...

This paper investigates optimal tax policy when economic conditions are uncertain, creating risk in tax revenues. Optimal taxation with uncertainty balances costs from volatility and deadweight loss. Tax policy affects volatility through two channels; spreading risk between public and private...

Tax law is often uncertain. In particular, the use of tax shelters tends to be in the “grey area” between illegal tax evasion and legal tax avoidance. In this paper I show that uncertainty in tax law can help achieve higher efficiency than allowing or disallowing a tax shelter with...