Political constraints and incentives are the true driver of tax reforms. Thispaper reviews the political economics literature on personal income tax systems andreforms to see how political mechanisms help explain tax reforms. We take some ofthe implications of these theories to the data using...

Political constraints and incentives are the true driver of tax reforms. This paper reviews the political economics literature on personal income tax systems and reforms to see how political mechanisms help explain tax reforms. We take some of the implications of these theories to the data using...