Herbert Gunter Grubel (born February 26, 1934) is a Canadian professor, economist, writer, and former politician.
As a member of the Reform Party, Grubel defeated former federal cabinet minister Mary Collins in the 1993 election, pushing her into third place.
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.
One of his most important contributions to international economics is the Grubel–Lloyd index, which measures intra-industry trade of a particular product.
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",[1] in which he proposed that Canada and the USA adopt a shared currency called the 'amero'.