Helliwell, John F. - National Bureau of Economic Research (NBER) - 1995
Extending McCallum's (1995) result, based on a gravity model of 1988 trade flows, that a typical Canadian province … trade patterns compare with those of other provinces. The results, based on revised data for 1988, 1989 and 1990, show that … the multiple is even greater. Thus trade between Quebec and the United States appears to be an even less viable …