Portfolio managers favor long-term investment horizons. Their performance is usually forecasted using either the arithmetic mean or the geometric mean. The harmonic mean is generally ignored as an instrument of financial and/or portfolio management. We examine the performance of the harmonic...

The objective of this paper is to propose an econometric analysis of the impact of financial variables on investment behavior in Sub-Saharan African countries. More specifically, the study estimates an investment function using cointegration techniques with a view to highlight the impact of...