NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH
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Ana M. Fernandes

Development Research Group
The World Bank
1818 H Street, N.W.
Washington, D.C. 20433

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NBER Working Papers and Publications

October 2018The Intensive Margin in Trade
with Peter J. Klenow, Sergii Meleshchuk, Denisse Pierola, Andrés Rodríguez-Clare: w25195
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...
March 2013Learning from the Experiments That Never Happened: Lessons from Trying to Conduct Randomized Evaluations of Matching Grant Programs in Africa
with Francisco Campos, Aidan Coville, Markus Goldstein, David McKenzie
in Experiments for Development: Achievements and New Directions, Shin-ichi Fukuda and Takeo Hoshi, editors
July 2008Factor Utilization in Indian Manufacturing: A Look at the World Bank Investment Climate Surveys Data
with Ariel Pakes: w14178
We use the World Bank Investment Climate Surveys data to analyze the employment of both labor and capital in Indian manufacturing. We focus on disparities among states in manufacturing employment patterns, and provide reduced form evidence of their relationship to both (i) institutional constraints, and (ii) productivity.
 
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