We show that there are some troubling differences between mean returns calculated using logarithmic returns and those calculated using simple returns. The mean of a set of returns calculated using logarithmic returns is less than the mean calculated using simple returns by an amount related to...

This paper investigates the impact of government expenditure on growth, in a heterogeneous panel, for a sample of developing countries. Using generalized method of moments techniques, we show that countries with substantial government current expenditure have strong growth effects, which vary...