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This paper provides a formal test of the null hypothesis of a unit root in the log-level of labor productivity against the alternative of linear trend stationarity with a one-time structural break in the level and slope of the trend at an a priori unknown date. Using some newly developed time...
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The U.S. poverty rate, like many other aggregate economic time series, shows considerable persistence. It is logical to consider the model involving a unit root to provide a good description of the data generation process for the poverty rate. We pretest for unit roots in annual U.S. poverty...
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Presented are new methods and new empirical studies on the subject of income inequality and poverty. The purpose of the book is to explore new ways to analyze recent trends in income inequality and poverty, both from the perspective of quantifying poverty and inequality and quantifyig the impact...
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