This paper provides a conceptual review of how the impact of taxes on the incentive to invest in the corporate sector can be measured. The focus is on measures derived from economic theory. Two measures are derived effective marginal and average tax rates which reflect different forms of...

A guide to current approaches to measuring the effective tax rate, with case studies that illustrate the different methods discussed.Today's highly complicated tax codes have led economists and policy makers depend on simplified summary measures in order to understand how taxes affect the...