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Title: The Global Impact of Brexit Uncertainty

Author(s): Tarek Alexander Hassan, Stephan Hollander, Ahmed Tahoun and Laurence van Lent

Publication Date: December 2019

Keyword(s): Brexit, cross-country effects, Machine Learning, sentiment and uncertainty

Programme Area(s): Financial Economics, International Macroeconomics and Finance and Macroeconomics and Growth

Abstract: Using tools from computational linguistics, we construct new measures of the impact of Brexit on listed firms in the United States and around the world; these measures are based on the proportion of discussions in quarterly earnings conference calls on the costs, benefits, and risks associated with the UK's intention to leave the EU. We identify which firms expect to gain or lose from Brexit and which are most affected by Brexit uncertainty. We then estimate effects of the different types of Brexit exposure on firm-level outcomes. We find that the impact of Brexit-related uncertainty extends far beyond British or even European firms; US and international firms most exposed to Brexit uncertainty lost a substantial fraction of their market value and have also reduced hiring and investment. In addition to Brexit uncertainty (the second moment), we find that international firms overwhelmingly expect negative direct effects from Brexit (the first moment) should it come to pass. Most prominently, firms expect difficulties from regulatory divergence, reduced labor mobility, limited trade access, and the costs of post-Brexit operational adjustments. Consistent with the predictions of canonical theory, this negative sentiment is recognized and priced in stock markets but has not yet significantly affected firm actions.

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Bibliographic Reference

Hassan, T, Hollander, S, Tahoun, A and van Lent, L. 2019. 'The Global Impact of Brexit Uncertainty'. London, Centre for Economic Policy Research. https://cepr.org/active/publications/discussion_papers/dp.php?dpno=14253