This paper provides evidence on the unit root hypothesis and long-term growth by allowing for two structural breaks. We reject unit root hypothesis for three-quarters of the countries - approximately 50% more rejections than in models that allow for only one break.

This paper proposes an explicit test for determining the significance and timing of slowdowns in economic growth during the post-war period.

The stability of the growth process, whether growth rates are rising, falling or constant, is one of the central questions of economic growth theory. We use recently developed techniques for identifying structural change in economic time series and find evidence of multiple breaks in per capita...

What is the impact on output of movement towards free trade? Can trade liberalization have a permanent effect on output levels, and more importantly, does it have an impact on steady-state growth rates? The model developed here emphasizes the role that knowledge spillovers emanating from...

The goal here is not to provide an explanation for the growth in trade over the postwar period. The fist goal of this paper is to examine whether the trade-output shares evolved gradually over the postwar period , or whether trade in individual countries changes abruptly. We analyze sequential...

The stability of the growth process, whether growth rates are rising, falling, or constant, is one of the central questions of economic growth theory. We use recently developed techniques for identifying structural change in economic time series, and find evidence of multiple breaks in per...