This paper contributes to resolving the puzzle that in practice most countries use ad valorem (corporate income) taxation, while a large part of the tax competition literature views business taxes as unit (wealth) taxation. We point to the dual role that corporate taxation plays in attracting...

An optimal commodity tax approach is taken to compare trade taxes and VATs when some commodities are produced informally. Trade taxes apply to all imports and exports, including intermediate goods while the VAT applies only to sales by the formal sector and imports. The VAT can achieve...

Proposals to reform the personal income tax have gained prominence in recent months. To date, personal income tax reform is part and parcel of the platform of a number of the candidates in the 2016 presidential elections. This paper aims to evaluate the various proposals in both houses of...

This paper studies comprehensive national panel data of local option sales taxes at the monthly frequency. I calculate state-by-month population weighted averages of local sales tax rates. I document ten stylized facts concerning the time series patterns and spatial dynamics of local sales...