Abstract:
Neglected properties of the structural gravity model offer a theoretically consistent method to calculate the incidence of estimated trade costs, disaggregated by commodity and region, and re-aggregated into forms useful for economic geography. For Canada's provinces, 1992-2003, incidence is on average some five times higher for sellers than for buyers. Sellers' incidence falls over time due to specialization, despite constant gravity coefficients. This previously unrecognized globalizing force drives big reductions in 'constructed home bias', the disproportionate share of local trade; and large but varying gains in real GDP. Aggregation biases gravity coefficients downward.
More papers in Boston College Working Papers in Economics from Boston College Department of Economics Address: Boston College, 140 Commonwealth Avenue, Chestnut Hill MA 02467 USA Contact information at EDIRC. Series data maintained by Christopher F Baum ().
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