Work requirements can make it easier to screen the poor from the non-poor.They can also affect future poverty by changing the poors' incentive to invest in their income capacity. The novelty of our study is the focus on long term poverty. We find that the argument for using work requirements as...

We present a framework to identify and evaluate marginal tax reforms when merit good arguments and environmental concerns are given explicit consideration. It is applied to the Norwegian indirect tax system for 1999. The analysis shows that the reform passed in Parliament in November 2000 had a...