In 1989 he was a Visiting Fellow at the Centre for International Economics , a consultancy firm in Canberra .
From 1987 to 1988 he was a Lecturer and then Senior Lecturer in the Department of Agricultural Economics of the University of Sydney .
In 1989 Lecturer was a Visiting Fellow at the Centre for International Economics , a consultancy firm in Canberra .
From 1987 to 1988 he was a Lecturer and then Senior Lecturer in the Department of Agricultural Economics of the University of Sydney .