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evidence: Herbert Gunter -LRB- Herb -RRB- Grubel -LRB- born February 26 , 1934 in Frankfurt , Germany -RRB- is a Canadian professor , economist , writer , and former politician .. Frankfurt. Frankfurt. Germany. Germany. Canadian. Canada. economist. economist. He represented the electoral district of Capilano -- Howe Sound in the Canadian House of Commons from 1993 to 1997 .. Canadian. Canada. electoral district. electoral district ( Canada ). Canadian House of Commons. Canadian House of Commons. As a member of the Reform Party , Grubel defeated former federal cabinet minister Mary Collins in the 1993 election .. Reform Party. Reform Party of Canada. federal cabinet. Cabinet of Canada. Mary Collins. Mary Collins. 1993 election. Canadian federal election, 1993. He served as the party 's finance critic from 1995 to 1997 , and was controversial for his outspoken support of Canada moving toward a flat tax system .. finance. Ministry of Finance ( Canada ). flat tax. flat tax. Grubel did not run in the 1997 election .. 1997 election. Canadian federal election, 1997. As of 2011 he is professor emeritus of economics at Simon Fraser University and senior fellow of the Fraser Institute .. economics. economics. Simon Fraser University. Simon Fraser University. Fraser Institute. Fraser Institute. He has also worked at the economic faculties of Yale , Stanford , the University of Chicago and the University of Pennsylvania .. Yale. Yale. Stanford. Stanford. University of Chicago. University of Chicago. University of Pennsylvania. University of Pennsylvania. Grubel has published 27 books and more than 130 professional articles in economics , dealing with international trade and finance and a wide range of economic policy issues .. finance. Ministry of Finance ( Canada ). economics. economics. One of his most important contributions to international economics is the Grubel -- Lloyd index , which measures intra-industry trade of a particular product .. economics. economics. intra-industry trade. intra-industry trade. While at the Fraser Institute Herbert published a paper titled  : `` The Case for the Amero  : The Economics and Politics of a North American Monetary Union '' , in which he proposed that Canada and the USA adopt a shared currency called the ` amero ' .. Fraser Institute. Fraser Institute. amero. amero