Price, Quality, and Variety: Measuring the Gains from Trade in Differentiated Products
Author(s) -
Gloria Sheu
Publication year - 2014
Publication title -
american economic journal applied economics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 12.996
H-Index - 82
eISSN - 1945-7782
pISSN - 1945-7790
DOI - 10.1257/app.6.4.66
Subject(s) - variety (cybernetics) , quality (philosophy) , economics , liberalization , welfare , international economics , business , market economy , computer science , epistemology , artificial intelligence , philosophy
This paper explores the gains from trade in differentiated products from three channels: decreases in price, improvements in quality, and increases in variety. Using data on Indian imports of computer printers from 1996 to 2005, a period of trade liberalization, I find that quality was the leading source of welfare gains. Consumers would require a 65 percent decrease in all 1996 prices to be as well off as they were with the quality available in 2005. The contribution of price was slightly smaller, while variety lagged farther behind. These effects varied across buyers, as gains were largest for small businesses.
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