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Journal of Banking & Finance Vol. 172 2025

Retreating from risks: Household stock market participation in a protectionist era

Jie Li1,2; Wenchao Li1,2

1 Tongji University · 2 Capital University of Economics and Business

Abstract

We examine the impact of the global trend towards trade protectionism on household stock market participation, focusing on the 2018–19 US-China trade war as an exogenous trade shock. We leverage cross-city variation in exposure to the trade war by combining industry-specific increases in US tariffs with variation in industry composition across cities. Using nationally representative household finance survey data collected around the trade war years, and a difference-in-differences design, results show that the onset of the trade war decreases the likelihood of households participating in the stock market and reduces the proportion of stocks in their portfolios. Further evidence reveals that these effects stem from the trade war's influence on decreasing household income, increasing income volatility, fostering risk aversion, and promoting negative views or beliefs about the economy. Our findings suggest that reduced stock market participation is a pathway through which trade protectionism affects the financial system and the economy.

DOI
10.1016/j.jbankfin.2025.107392
Volume
172
Pages
107392
Language
en
Sources
bibtex:phds-export.bib openalex crossref

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