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The Trade Unit Values Database

  • Antoine Berthou
  • Charlotte Emlinger

Trade unit values are commonly used as proxies for trade prices in empirical research in international economics. Existing datasets providing international trade unit values for a large number of countries typically suffer from a number of statistical biases, due to the aggregation of unit values and the harmonization of quantity information. These biases reduce the reliability of unit values as a proxy for trade prices. This paper presents the Trade Unit Values dataset, a new database developed to circumvent these statistical issues. Bilateral trade unit values are computed at a very high level of disaggregation before aggregation into Harmonized-System 6-digits categories to allow for cross-country comparability. Our processing strategy improves the differentiation of trade prices within product categories, as compared to existing worldwide datasets. A simple econometric analysis shows that unit values in our database are well explained by economic aggregates.

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Paper provided by CEPII research center in its series Working Papers with number 2011-10.

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Date of creation: Apr 2011
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Handle: RePEc:cii:cepidt:2011-10
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  2. Chang, Won & Winters, L. Alan, 1999. "How Regional Blocs Affect Excluded Countries: The Price Effects of MERCOSUR," CEPR Discussion Papers 2179, C.E.P.R. Discussion Papers.
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  9. Guillaume Gaulier & Julien Martin & Isabelle Méjean & Soledad Zignago, 2008. "International Trade Price Indices," Working Papers 2008-10, CEPII research center.
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