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We develop a quantitative spatial model that incorporates a rich geography of trade and imperfect labor mobility between locations. We provide general results for the existence, uniqueness and comparative statics of the equilibrium. We show how the model can be used to undertake counterfactuals...
Persistent link: https://www.econbiz.de/10011227924
We review a recent body of theoretical work that aims to put numbers on the consequences of globalization. A unifying theme of our survey is methodological. We rely on gravity models and demonstrate how they can be used for counterfactual analysis. We highlight how various economic...
Persistent link: https://www.econbiz.de/10010969334
Do scale economies contribute to our understanding of international trade? Do international trade flows encode information about the extent of scale economies? To answer these questions we examine the large class of general equilibrium theories that imply Helpman-Krugman variants of the Vanek...
Persistent link: https://www.econbiz.de/10005089252
During the last two decades, new research has greatly advanced our understanding of the structure of world trade. This article reviews the empirical literature that grew out of this effort, emphasizing the ways in which it relied on theoretical developments.
Persistent link: https://www.econbiz.de/10005828784
We analyze two main theories of international trade, the Heckscher-Ohlin theory and the Increasing Returns trade theory, by examining whether they can account for the empirical success of the so-called Gravity Equation. Since versions of both models can generate this prediction, we tackle the...
Persistent link: https://www.econbiz.de/10005829636
A simple model of offshoring, which depicts offshoring as 'shadow migration,' permits straightforward derivation of necessary and sufficient conditions for the effects on wages, prices, production and trade. We show that offshoring requires modification of the four classic international trade...
Persistent link: https://www.econbiz.de/10005710098
This paper presents a model of international trade that features heterogeneous firms, relative endowment differences …
Persistent link: https://www.econbiz.de/10005050024
How large are optimal tariffs? What tariffs would prevail in a worldwide trade war? How costly would be a breakdown of international trade policy cooperation? And what is the scope for future multilateral trade negotiations? I address these and other questions using a unified framework which...
Persistent link: https://www.econbiz.de/10009277255
Our paper integrates results from trade-in-task theory into mainstream trade theory by developing trade-in-task analogues to the four famous theorems (Heckscher-Ohlin, factor price equalisation, Stolper-Samuelson, and Rybczynski) and showing the standard gains-from-trade theorem does not hold...
Persistent link: https://www.econbiz.de/10008628412
We build into a Ricardian model sectoral linkages, trade in intermediate goods, and sectoral heterogeneity in production to quantify the trade and welfare effects from tariff changes. We also propose a new method to estimate sectoral trade elasticities consistent with any trade model that...
Persistent link: https://www.econbiz.de/10011096581