Estimating sectoral product quality under quality heterogeneity

Xian-Liang Tian ()

Review of World Economics (Weltwirtschaftliches Archiv), 2017, vol. 153, issue 1, No 5, 137-176

Abstract: Abstract This paper estimates product quality at the sectoral level using data from a panel of twelve manufacturing sectors in nineteen OECD countries during the years 1995–2006. The author first derives a gravity model from a firm-heterogeneity model of trade, then measures product quality as the residual of the gravity model. In estimating the gravity model, the author employs the two-step procedure of Helpman et al. (Q J Econ 123(2):441–487, 2008) to correct for biases caused by selection in trade and firm heterogeneity. When aggregated into the country level, the used overall quality metrics do not systematically differ from Hallak and Schott’s (Q J Econ 126(1):417–474, 2011). In line with existing literature, sectoral quality estimates are found positively correlated with sectoral unit prices as well as countries’ income per capita. And the quality gap between rich and poor countries is more pronounced in capital- and skill-intensive sectors. In addition, the autor finds beta- and sigma-convergence in sectoral product quality across countries.

Keywords: Firm heterogeneity; Gravity model; Product quality and trade (search for similar items in EconPapers)
JEL-codes: F1 L1 O1 (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (1)

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DOI: 10.1007/s10290-016-0262-0

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