We analyze a model for N different measurements of a persistent latent time series when measurement errors are mean-reverting, which implies a common trend among measurements. We study the consequences of overdifferencing, finding potentially large biases in maximum likelihood estimators of the...

This study provides a re-examination of the aid-income link based on a panel data set which is downloadable at the Canadian Journal of Economics 45(1), 2012 issue. Longer time series data are available for a group of 58 countries and run from 1960 to 2007. In particular, the study aims at...

Climate change has inspired the interest of the academic community in the most diverse areas of knowledge. This study tests and revisits the environmental Kuznets curve assumptions for Portugal. The econometric strategy used in this research is time series (ARIMA model, OLS estimator, ARCH...