This paper presents series on top shares of income and wealth in Spain using personal income and wealth tax return statistics. Top income shares are highest in the 1930s, fall sharply during the first decade of the Franco dictatorship, then remain stable and low till the 1980s, and have...

This paper uses data from the largest tax preparer in the United States to estimate the impact of the "saver's credit," a US federal program providing financial incentives to encourage retirement savings, on the decision to contribute to an IRA. It finds significant, but very modest, effects....

This paper presents top income shares series for the United States and Canada over the 20th century. In both countries, top income shares display a U-shaped pattern over the century, with a precipitous drop during World War II, with no recovery in the following decades. Since the late 1970s,...