NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Product Switching and the Business Cycle

Andrew B. Bernard, Toshihiro Okubo

NBER Working Paper No. 22649
Issued in September 2016
NBER Program(s):EFG, IO, ITI, PR

This paper explores role of product adding and dropping within manufacturing firms over the business cycle. While a substantial body of work has explored the importance of the extensive margins of firm entry and exit in employment and output flows, only recently has research begun to examine the adjustment across products within firms and its importance for firm and aggregate output and employment flows. Using a novel, annual firm-product data set covering all Japanese manufacturing firms with more than 4 employees from 1992 to 2006, we provide the first evidence on annual changes in product adding and dropping by continuing firms over the business cycle. We find very high rates of product adding and dropping by continuing firms between the last year of the recession and the first year of the subsequent expansion and offer an explanation and supporting evidence based on a “trapped factors” model of firm behavior.

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Document Object Identifier (DOI): 10.3386/w22649

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