He holds a B. Sc(Hons) and a M.Comm(Hons) from the University of Canterbury, New Zealand and a Ph.D. from the University of Minnesota. His research includes work in econometric theory, applied macro-econometrics, growth and development, and economic and financial history. He has published widely in internationally recognized economic journals. His current research includes models of growth and development that include the informal sector and applications of Bayesian methods to the estimation of these models.