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The Regionalization of the World Economy$
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Jeffrey A. Frankel

Print publication date: 1997

Print ISBN-13: 9780226259956

Published to Chicago Scholarship Online: February 2013

DOI: 10.7208/chicago/9780226260228.001.0001

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PRINTED FROM CHICAGO SCHOLARSHIP ONLINE (www.chicago.universitypressscholarship.com). (c) Copyright University of Chicago Press, 2022. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in CHSO for personal use.date: 05 July 2022

Determinants of Bilateral Trade

Determinants of Bilateral Trade

Does Gravity Work in a Neoclassical World?

(p.7) 1 Determinants of Bilateral Trade
The Regionalization of the World Economy

Alan V. Deardorff

University of Chicago Press

It has long been recognized that bilateral trade patterns are well described empirically by the so-called gravity equation, which relates trade between two countries positively to both of their incomes and negatively to the distance between them, usually with a functional form that is reminiscent of the law of gravity in physics. It also used to be frequently stated that the gravity equation was without theoretical foundation. In particular, it was claimed that the Heckscher-Ohlin model (HO model) of international trade was incapable of providing such a foundation, and perhaps even that the HO model was theoretically inconsistent with the gravity equation. This chapter argues that the HO model, at least in some of the equilibria that it permits, admits easily of interpretations that accord readily with the gravity equation. At the same time, developing these interpretations can yield additional insights about why bilateral trade patterns in some cases depart from the gravity equation as well. After describing the theoretical foundations for the gravity equation, the chapter examines frictionless trade and trade impediments.

Keywords:   bilateral trade, gravity equation, Heckscher-Ohlin model, frictionless trade, trade impediments, incomes

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