Ziru Wei

Tsinghua University
Beijng, China

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Institutional Affiliation: Tsinghua University

NBER Working Papers and Publications

October 2017Sizing up Market Failures in Export Pioneering Activities
with Shang-Jin Wei, Jianhuan Xu: w23893
We argue that existence of public good does not necessarily imply market failure, and illustrate this point in the context of international trade. An influential hypothesis states that export pioneers are too few relative to social optimum because the first exporter's action creates an informational public good for all subsequent exporters. The hypothesis has been invoked to justify certain types of government interventions. We note, however, that such market failure requires two inequalities to hold simultaneously: the discovery cost is neither too low nor too high. Neither has to hold in the data. We propose a structural estimation framework to evaluate the hypothesis, and estimate the parameters based on the customs data of Chinese electronics exports. Our key finding is that "missing p...

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