This paper partially identifies population treatment effects in observational data under sample selection, without the benefit of random treatment assignment. Bounds are provided for both average and quantile population treatment effects, combining assumptions for the selected and the...

The field of behavioral taxation dates back at least to the 1950s. In this contribution I will explore the opportunities and challenges in the area, with a particular focus on tax compliance. I will focus on the data required to make further progress, discussing what can be improved when working...