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...

This paper analyzes the switch from Separate Accounting to Formula Apportionment in a dynamic framework. The model features both purely domestic corporations and a domestic multinational which invests at home and abroad as well as a purely foreign corporation and a foreign multinational which...

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 economy. Studies of the effective tax rate--that is, a measurement of the net amount of tax levied on certain economic activities--provide...