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Twin peaks

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  • Fabrice Defever
  • Alejandro Riaño

Abstract

Received wisdom suggests that most exporters sell the majority of their output domestically. In this paper, however, we show that the distribution of export intensity not only varies substantially across countries, but in a large number of cases is also bimodal, displaying what we refer to as 'twin peaks.' We reconcile this new stylized fact with an otherwise standard, two-country model of trade in which firms are heterogeneous in terms of the demand they face in each market. We show that when firm-destination-specific revenue shifters are distributed lognormal, gamma, or Fréchet with sufficiently high dispersion, the distribution of export intensity has two modes in the boundaries of the support and their height is determined by a country's size relative to the rest of the world. We estimate the deep parameters characterizing the distribution of export intensity. Our results show that when the conditions for the existence of twin peaks are met, differences in relative market size can explain most of the observed variation in the distribution of export intensity across the world.

Suggested Citation

  • Fabrice Defever & Alejandro Riaño, 2017. "Twin peaks," CEP Discussion Papers dp1505, Centre for Economic Performance, LSE.
  • Handle: RePEc:cep:cepdps:dp1505
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    More about this item

    Keywords

    exports; export intensity distribution; bimodality; firm heterogeneity;
    All these keywords.

    JEL classification:

    • F12 - International Economics - - Trade - - - Models of Trade with Imperfect Competition and Scale Economies; Fragmentation
    • F14 - International Economics - - Trade - - - Empirical Studies of Trade
    • C12 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Hypothesis Testing: General
    • O50 - Economic Development, Innovation, Technological Change, and Growth - - Economywide Country Studies - - - General

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