Internet resources GeoDist data from CEPII of Commerce, Economics and Statistics Administration, Bureau of the Census, 2005. csv format and saved it in data/census/exp_detl.csv for your convenience. We have converted the dBase file export_detl.dbf in. The analysis of Section II uses the published detailed export data from the December 2005 release Please cite the original data as:Īlan Heston, Robert Summers and Bettina Aten, Penn World Table Version 7.1, Center for International Comparisons of Production, Income and Prices at the University of Pennsylvania, Nov 2012. Penn World Tableįor your convenience, we have reproduced version 7.1 of the Penn World Table from (downloaded on October 17, 2013). World Development Indicators, The World Bank.
Data World Development Indicatorsįor your convenience, we have reproduced the World Development Indicators from (downloaded on October 17, 2013). It does not take any input: the parameters of the firm-size distribution and the share of exports in revenue are entered directly in the script. This Matlab script calculates all the number reported in Section IV on which firms export. It takes as inputs the marginal distribution of trade shipments across countries ( data/census/countryshares.csv) and across products ( data/census/hs10shares.csv). This Matlab script calculates all numbers reported in Section III on multi-product and multi-country exporting firms. Make sure to run read_gravity_data.do and SectionIIa_d.do first. This Matlab script calculates firm-level zeroes in the model, using the trade shares calculated above and the gravity-related variables.
If you have Stata 10 or older, you should change the merge commands to the old syntax. If you have Stata 11, you may want to assign a large-enough amount of memory at the beginning. It assumes you are running Stata 12 or higher. export data from data/census/export_detl.csv, gravity variables from data/gravity/gravity_variables.dta (make sure to run read_gravity_data.do first) and replicates all the numbers, tables and figures reported in Sections II.A through II.D in the paper. It saves these gravity variables in data/gravity/gravity_variables.dta to be used for analysis by the Stata script below and in data/gravity/gravity_variables.csv to be used for analysis by Matlab. Using data from the Penn World Table, World Development Indicators, and the GeoDist data of CEPII, this Stata do-file compiles the necessary variables for a gravity equation for all the countries in the Census trade data.
CEPII GEODIST VARIABLES MAC OS X
We have included a makefile ( Makefile for Linux and Mac OS X and make.bat for Windows) that calls all necessary programs in the required order. CodeĪll programs are under the folder code. Please cite the above paper when using these programs. "A Balls-and-Bins Model of Trade." American Economic Review. Replication data and programs for Armenter, Roc and Miklós Koren. Replication data and programs for "A Balls-and-Bins Model of Trade"
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