Canada’s economy could gain nearly 7%, or $210 billion, in real GDP over a gradual period by fully removing internal trade barriers between the country’s 13 provinces and territories, according to a report published Tuesday by the International Monetary Fund (IMF). On average, regulation-related barriers are the equivalent of a 9% tariff nationally, estimates the report, which was co-authored by IMF researchers Federico J. Diez and Yuanchen Yang with contributions from University of Calgary economist Trevor Tombe. …Because of the trade barriers between provinces, “Canada isn’t really one economy. It’s really 10 economies,” said Alicia Planincic, director of policy and economics at the Business Council of Alberta in Calgary. …The report points to finance, telecom, transportation and professional services as far-reaching sectors that “ripple through the economy” and raise costs for all of the businesses they touch.