Score contribution per author:
α: calibrated so average coauthorship-adjusted count equals average raw count
Using European Union’s decision on lighters on 11 May 2006 that only lighters which are child-resistant are placed on the market as a natural experiment, this paper firstly examines the impact of product standards on export quality causally. We use China’s HS-8 digit product level trade data and triple difference approach to analyze whether the product standards causally improve the product quality. We get the answer yes.