After receiving my PhD in 1974 I was Postdoctoral Fellow in International Trade and Economic Development at the University of Minnesota. Following that I taught economics at Monash University from 1976 to 1979. Joined the Economics Department, RSPAS, ANU, in 1980. Holder of the John Crawford Chair since 1989. Current research includes general equilibrium of Indonesian and Thai economies, especially as regards the relationship between economic policy and poverty incidence. Also working on macroeconomic analysis of Thai economy.
Elected Fellow of the Academy of Social Sciences in Australia in 1997; Editorial Board member for several academic journals. Consultant for the Australian Government, the Thai Government, the World Bank, the Asian Development Bank, and the United Nations.
The economies of Thailand and Indonesia, especially as regards measurement of poverty incidence, analysis of its causes and the means by which economic policy may be used to reduce poverty incidence.