The Changing Incidence of Geography
NBER Working Paper No. 14423
The incidence of bilateral trade costs is calculated here using neglected properties of the structural gravity model, 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 predicted share of local trade; and large but varying gains in real GDP.
Document Object Identifier (DOI): 10.3386/w14423
Published: James E. Anderson & Yoto V. Yotov, 2010. "The Changing Incidence of Geography," American Economic Review, American Economic Association, vol. 100(5), pages 2157-86, December. citation courtesy of
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