Gains from Trade with Flexible Extensive Margin Adjustment
Gains from Trade with Flexible Extensive Margin Adjustment

Author: Chang-Tai Hsieh

Publisher:

Published: 2016

Total Pages:

ISBN-13:

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We propose a new sufficient statistic to measure the gains from trade in models where the extensive margin trade elasticity is not necessarily constant. This statistic is a function of one data moment, the market share of continuing domestic products, and one parameter, the elasticity of substitution between products. It measures the gains from trade in a Ricardian model with any productivity distribution or a Melitz model with any productivity distribution and any pattern of selection into production and exporting. We apply our statistic to measure Canada's gains from the Canada-US Free Trade Agreement and find that they are smaller than suggested by statistics that assume a constant extensive margin response of trade.

Expansion of trade at the extensive margin : a general gains-from-trade result and illustrative examples
Expansion of trade at the extensive margin : a general gains-from-trade result and illustrative examples

Author: James R. Markusen

Publisher:

Published: 2010

Total Pages: 15

ISBN-13:

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The basic gains-from-trade theorem makes a stark comparison between completely free trade and complete autarky. This paper is motivated by recent evidence that trade has greatly expanded on the extensive margin (aka fragmentation, offshoring) by adding newly traded goods and services and that much of this new trade is in intermediates. I provide an extension of existing gains-from-trade results by allowing trade in an added set of final and/or intermediate goods. As seems generally understood, a sufficient condition for all countries to gain from fragmentation is that the relative world prices of initially-trade goods don't change. However, trade costs break the strict link between domestic and world prices in my approach and this results in interesting subtleties as initially-traded goods change their trade status following fragmentation. I illustrate these results by applying them to two recent and quite specific formulations of expansion at the extensive margin: Grossman and Rossi-Hansberg (2008) and Markusen and Venables (2007). Symmetry in two senses results in gains for all countries: countries are relatively symmetric in size and the newly-traded goods are relatively symmetric in their factor intensities with respect to the world endowment ratio.

The Intensive Margin in Trade
The Intensive Margin in Trade

Author: Ana Fernandes

Publisher: International Monetary Fund

Published: 2018-12-07

Total Pages: 66

ISBN-13: 1484386175

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The Melitz model highlights the importance of the extensive margin (the number of firms exporting) for trade flows. Using the World Bank’s Exporter Dynamics Database (EDD) featuring firm-level exports from 50 countries, we find that around 50 percent of variation in exports is along the extensive margin—a quantitative victory for the Melitz framework. The remaining 50 percent on the intensive margin (exports per exporting firm) contradicts a special case of Melitz with Pareto-distributed firm productivity, which has become a tractable benchmark. This benchmark model predicts that, conditional on the fixed costs of exporting, all variation in exports across trading partners should occur on the extensive margin. We find that moving from a Pareto to a lognormal distribution allows the Melitz model to match the role of the intensive margin in the EDD. We use likelihood methods and the EDD to estimate a generalized Melitz model with a joint lognormal distribution for firm-level productivity, fixed costs and demand shifters, and use “exact hat algebra” to quantify the effects of a decline in trade costs on trade flows and welfare in the estimated model. The welfare effects turn out to be quite close to those in the standard Melitz-Pareto model when we choose the Pareto shape parameter to fit the average trade elasticity implied by our estimated Melitz-lognormal model, although there are significant differences regarding the effects on trade flows.

The Intensive Margin in Trade
The Intensive Margin in Trade

Author: Ana Margarida Fernandes

Publisher:

Published: 2018

Total Pages: 0

ISBN-13:

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The Melitz model highlights the importance of the extensive margin (the number of firms exporting) for trade flows. Using the World Bank's Exporter Dynamics Database (EDD) featuring firm-level exports from 50 countries, we find that around 50% of variation in exports is along the extensive margin -- a quantitative victory for the Melitz framework. The remaining 50% on the intensive margin (exports per exporting firm) contradicts a special case of Melitz with Pareto-distributed firm productivity, which has become a tractable benchmark. This benchmark model predicts that, conditional on the fixed costs of exporting, all variation in exports across trading partners should occur on the extensive margin. We find that moving from a Pareto to a lognormal distribution allows the Melitz model to match the role of the intensive margin in the EDD. We use likelihood methods and the EDD to estimate a generalized Melitz model with a joint lognormal distribution for firm-level productivity, fixed costs and demand shifters, and use "exact hat algebra" to quantify the effects of a decline in trade costs on trade flows and welfare in the estimated model. The welfare effects turn out to be quite close to those in the standard Melitz-Pareto model when we choose the Pareto shape parameter to fit the average trade elasticity implied by our estimated Melitz-lognormal model, although there are significant differences regarding the effects on trade flows.

Comparative Advantage, Growth, and the Gains from Trade and Globalization
Comparative Advantage, Growth, and the Gains from Trade and Globalization

Author: Robert M. Stern

Publisher: World Scientific

Published: 2011

Total Pages: 716

ISBN-13: 9814340375

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Alan Deardorff was 65 years old on June 6, 2009. To celebrate this occasion, a Festschrift in his honor was held on October 2OCo3, 2009, in the Rackham Amphitheater at the University of Michigan in Ann Arbor. The Festschrift was entitled OC Comparative Advantage, Economic Growth, and the Gains from Trade and Globalization: A Festschrift in Honor of Alan V Deardorff.OCO It was co-organized by two of Professor Deardorff''s former students, Drusilla Brown of Tufts University and Robert Staiger of Stanford University, together with Robert Stern representing the University of Michigan. The first day of the Festschrift involved a series of panels in which invited participants reflected on Professor Deardorff''s contributions, including his writings on: comparative advantage; trade and growth; the gains from trade and globalization; and computational modeling and trade policy analysis. The panel participants prepared written comments, setting out their evaluation of Professor Deardorff''s contributions combined with their own thoughts on the current state of knowledge and analysis of the particular topic. At the end of the first day, Paul Krugman of Princeton University and The New York Times delivered a Citigroup Foundation Special Lecture entitled OC Reflections on Globalization: Yesteryear and Today.OCO All of these papers and Krugman''s lecture are contained in the volume."

Exports to Jobs
Exports to Jobs

Author: Erhan Artuc

Publisher: World Bank Publications

Published: 2019-02-25

Total Pages: 215

ISBN-13: 1464812497

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South Asia has grown rapidly with significant reductions in poverty, but it has not been able to match the fast-growing working age population, leading to lingering concerns about jobless growth and poor job quality. Could export growth in South Asia result in better labor market outcomes? The answer is yes, according to our study, which rigorously estimates—using a new methodology—the potential impact from higher South Asian exports per worker on wages and employment over a 10-year period. Our study shows the positive side of trade. It finds that increasing exports per worker would result in higher wages—mainly for better-off groups, like more educated workers, males, and more-experienced workers—although less-skilled workers would see the largest reduction in informality. How can the benefits be spread more widely? Our study suggests that scaling up exports in labor-intensive industries could significantly lower informality for groups like rural and less-educated workers in the region. Also, increasing skills, and participation of women and young workers in the labor force could make an even bigger dent in informal employment. The region could achieve these gains by: (i) boosting and connecting exports to people (e.g., removing trade barriers and investment in infrastructure); (ii) eliminating distortions in production (e.g., by more efficient allocation of inputs); and (iii) protecting workers (e.g., by investing in education and skills).

A Practical Guide to Trade Policy Analysis
A Practical Guide to Trade Policy Analysis

Author: Marc Bacchetta

Publisher:

Published: 2012

Total Pages: 0

ISBN-13: 9789287038128

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Trade flows and trade policies need to be properly quantified to describe, compare, or follow the evolution of policies between sectors or countries or over time. This is essential to ensure that policy choices are made with an appropriate knowledge of the real conditions. This practical guide introduces the main techniques of trade and trade policy data analysis. It shows how to develop the main indexes used to analyze trade flows, tariff structures, and non-tariff measures. It presents the databases needed to construct these indexes as well as the challenges faced in collecting and processing these data, such as measurement errors or aggregation bias. Written by experts with practical experience in the field, A Practical Guide to Trade Policy Analysis has been developed to contribute to enhance developing countries' capacity to analyze and implement trade policy. It offers a hands-on introduction on how to estimate the distributional effects of trade policies on welfare, in particular on inequality and poverty. The guide is aimed at government experts engaged in trade negotiations, as well as students and researchers involved in trade-related study or research. An accompanying DVD contains data sets and program command files required for the exercises. Copublished by the WTO and the United Nations Conference on Trade and Development

Changing Patterns of Global Trade
Changing Patterns of Global Trade

Author: Nagwa Riad

Publisher: International Monetary Fund

Published: 2012-01-15

Total Pages: 87

ISBN-13: 1463973101

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Changing Patterns of Global Trade outlines the factors underlying important shifts in global trade that have occurred in recent decades. The emergence of global supply chains and their increasing role in trade patterns allowed emerging market economies to boost their inputs in high-technology exports and is associated with increased trade interconnectedness.The analysis points to one important trend taking place over the last decade: the emergence of China as a major systemically important trading hub, reflecting not only the size of trade but also the increase in number of its significant trading partners.