Frimpong, Joseph Magnus and Oteng-Abayie, Eric Fosu (2006): Aggregate Import demand and Expenditure Components in Ghana:An Econometric Analysis. Unpublished.
Frimpong, Joseph Magnus and Oteng-Abayie, Eric Fosu (2006): Bivariate causality analysis between FDI inflows and economic growth in Ghana. Unpublished.
Frimpong, Joseph Magnus and Oteng-Abayie, Eric Fosu (2006): Bounds testing approach: an examination of foreign direct investment, trade, and growth relationships. Forthcoming in: American Journal of Applied Sciences
Frimpong, Joseph Magnus and Oteng-Abayie, Eric Fosu (2007): Market Returns and Weak-Form Efficiency: the case of the Ghana Stock Exchange. Unpublished.
Frimpong, Joseph Magnus and Oteng-Abayie, Eric Fosu (2006): Modelling and Forecasting Volatility of Returns on the Ghana Stock Exchange Using GARCH Models. Unpublished.