Page 34 - The Impact of the 2018 Trade War on U.S. Prices and Welfare
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Figure 7: Number of Varieties by Tariff Wave












































               Notes: 12-month proportional changes in the number of import varieties, defined as an HTS10-
               country code, by tariff wave and for unaffected products; each series is normalized to the value
               one in the month prior to the introduction of the tariff; tariff waves are defined in Section 2 of the
               paper.






























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