Multi-Product Firms and Product Quality

58 Pages Posted: 13 Dec 2012 Last revised: 14 Feb 2017

See all articles by Kalina Manova

Kalina Manova

University College London - Department of Economics

Zhihong Yu

University of Nottingham - Leverhulme Centre for Research on Globalisation and Economic Policy (GEP)

Multiple version iconThere are 3 versions of this paper

Date Written: February 1, 2017

Abstract

We examine the global operations of multi-product firms. We present a flexible heterogeneous-firm trade model with either limited or strong scope for quality differentiation. Using customs data for China during 2002-2006, we empirically establish that firms allocate activity across products in line with a product hierarchy based on quality. Firms vary output quality across their products by using inputs of different quality levels. Their core competence is in varieties of superior quality that command higher prices but nevertheless generate higher sales. In markets where they offer fewer products, firms concentrate on their core varieties by dropping low-quality peripheral goods on the extensive margin and by shifting sales towards top-quality products on the intensive margin. The product quality ladder also governs firms' export dynamics, both in general and in response to the exogenous removal of MFA quotas on textiles and apparel. Our results inform the drivers and measurement of firm performance, the effects of trade reforms, and the design of development policies.

Keywords: Trade, trade reforms, multi-product firms, product quality, export prices

JEL Classification: D22, F10, F12, F14, L10, L11, L15

Suggested Citation

Manova, Kalina B. and Yu, Zhihong, Multi-Product Firms and Product Quality (February 1, 2017). Available at SSRN: https://ssrn.com/abstract=2188517 or http://dx.doi.org/10.2139/ssrn.2188517

Kalina B. Manova (Contact Author)

University College London - Department of Economics ( email )

Drayton House, 30 Gordon Street
30 Gordon Street
London, WC1H 0AX
United Kingdom

Zhihong Yu

University of Nottingham - Leverhulme Centre for Research on Globalisation and Economic Policy (GEP) ( email )

University Park
Nottingham, NG7 2RD
United Kingdom

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