Fur trade
Abraham Rotstein (10 April 1929 – 27 April 2015) was a Canadian economist who was a professor of economics at the University of Toronto. He was a fellow of Massey College. He is best known as a co-founder of the Committee for an Independent Canada. He received his doctorate from the University of Toronto in 1967 for the thesis "Fur trade and empire : an institutional analysis". He was a student of Karl Polanyi.