This paper studies the evolution of long-run output and labour productivity growth rates in the G-7 countries during …-varying parameter models that incorporate both stochastic volatility and a Heckman-type two-step estimation procedure that deals with … productivity appears to be behind the slowdown in long-run GDP growth. …

industries’ growth performance based on sector-level panel data for countries specializing in commodity exports. We find robust … credit constraints. The adverse growth effects operate through lower total factor productivity in industries heavily reliant …

mitigate the harmful causes of volatility. Our panel data estimation confirms our cross-country results, but we also offer …

mitigate the harmful causes of volatility. Our panel data estimation confirms our cross-country results, but we also offer …

This paper argues that typical applications of panel unit root tests should take possible nonstationarity in the … volatility process of the innovations of the panel time series into account. Nonstationarity volatility arises for instance when … enjoyed by many industrialized countries, known as the "Great Moderation". It also proposes a new testing approach for panel …

This paper argues that typical applications of panel unit root tests should take possible nonstationarity in the … volatility process of the innovations of the panel time series into account. Nonstationarity volatility arises for instance when … enjoyed by many industrialized countries, known as the `Great Moderation.' It also proposes a new testing approach for panel …

of factor jumps. Such jump dependence is implied by standard linear factor models. Our inference is based on a panel of … restriction on the relative magnitude of these two dimensions of the panel. The test is formed from the high‐frequency returns at …