This paper uses an unusually rich sample of liquor brands in the U.S. over the period 1994 to 2004 to test the substitutability of advertising media. The liquor industry in the U.S. has experienced a substantial increase in case sales and advertising expenditures since the mid-1990s, raising...

This paper introduces a new panel of annual state-level income inequality measures over the ninety year period 1916-2005. Among many of the states inequality followed a Ushaped pattern over the past century, peaking both before the Great Depression and again at the time of the new millennium....

We introduce a new Stata command, xtpmg, for estimating nonstationary heterogeneous panels in which the number of groups and number of time-series observations are both large. Based on recent advances in the nonstationary panel literature, xtpmg provides three alternative estimators: a...

This paper uses an unusually rich sample of liquor brands in the U.S. over the period 1994 to 2004 to test substitutability of advertising media. The liquor industry in the U.S. has experienced a substantial increase in case sales and advertising expenditures since the mid-1990s, raising...

The purpose of this paper is to examine the empirical relationship between income inequality and economic growth using U.S. state-level data during the post-war period. We construct a sample of 48 U.S. states with annual observations over the period 1945 to 2001. With this sample the number of...

The purpose of this paper is to re-examine the empirical relationship between income inequality and economic growth using U.S. State-level data during the post-war period. The use of state-level data provides a sample that is relatively homogeneous in many non-economic characteristics, unlike...