Why are efficiency-enhancing reforms often frail and subject to being undermined over time? Two theories are examined: public-choice theory, which explains this as the possible result of a need, from time to time, to wipe the slate clean in order to retain productivity in the distribution of...

The Polish tax system is characterised by high social security contributions for both employers and employees. As a result, Poland has one of the highest tax wedges in the OECD, despite relatively low personal income tax rates. This, combined with a relatively high minimum wage and generous...

In this paper, we conduct a theoretical analysis of personal taxes (defined to include consumption and income taxes), describe and evaluate the past and present structure of personal taxes in Japan, and based on our findings, make a number of policy recommendations about how to reform personal...