He gained a MA degree in Economics from Jesus College, Cambridge.
Mohn gained his degree in Economics at University of Mannheim, Germany in 1970.
In 1966, he gained his B.Sc in Economics.
He later gained three more O-levels by correspondence course, in the British Constitution, Mathematics and Economics.
She gained a BA in Economics from the University of Strathclyde.
At the University of Sussex, he gained a BA in Economics in 1974.
Afterwards he gained a BA in Economics from Durham University.
He gained a PhD in Economics from Brunel University in 1976.
He went on to gain his PhD in Economics from the University of London.
Later, He gained his degree in Economics at Universiti Malaya (1980-1983).