We analyse the change in family gross income inequality between 1951 and 1973. We use two new samples of the Swedish population from 1951 and 1956 containing tax register data, and compare the results with those obtained from the Swedish Level of Living survey from 1967 and 1973. Gini...

This paper contains two novelties. First, a unified framework for testing and evaluating the adequacy of an estimated autoregressive conditional duration (ACD) model is presented. Second, two new classes of ACD models, the smooth transition ACD model and the time-varying ACD model, are...