Working Paper Series in Economics and Institutions of Innovation,
Royal Institute of Technology, CESIS - Centre of Excellence for Science and Innovation Studies

Abstract: Fixed entry costs play an important role to explain the heterogeneity among exporters in terms of the geographical scope of their export activities. Yet, the existing literature has paid little attention to the nature and variation of such costs across different markets. This paper proposes a link between familiarity and fixed entry costs, such that (all else equal) the cost of entering a familiar market is lower than entering an unfamiliar one. A testable implication of this is that familiarity should primarily affect the extensive margin (number of exporters) of exports. This hypothesis is tested by estimating a gravity equation on a panel that describes Swedish firms’ exports to 150 destination countries over a period of seven years. The results are consistent with the hypothesis and show that the effect of familiarity on the volume of aggregate exports is primarily due to adjustments on the extensive margin. Adjustments on the extensive margin are large and have a significant impact on aggregate export volumes. The findings do not only help to clarify the nature and variation of fixed entry costs across destination markets: they also suggest a precise mechanism through which familiarity affects trade.

Keywords: international trade; fixed entry costs; transaction costs; gravity models; extensive margin; intensive margin; heterogeneous firms

JEL-codes: F10; F14; R12

35 pages, February 5, 2007

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