To minimize deadweight losses, tax rates should vary unpredictably so agents cannot rearrange their work and consumption habits. As a result, optimally set tax rates will be a nonstationary time series or, put differently, changes in the tax rate will be unpredictable. This paper identifies...

The tax treatment of lifetime transfers was altered on a number of occasions since the enactment of the gift tax six decades ago. Trends in gifts by the wealthy show a dramatic response to these changes. In this paper, I examine this trend and gauge its response to taxes, transitory and...

The paper presents a modification of the matching and difference-in-differences approach of Heckman et al. (1998) for the staggered treatment adoption design and a Stata tool that implements the approach. This flexible conditional difference-in-differences approach is particularly useful for...

This paper presents LINDA - a register-based longitudinal data set for Sweden. LINDA consists of a large panel of individuals, and their household members, which is representative for the population during the period 1960 to 1998. As future years become available, this information will be added...