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Reykjavík University

Tariffs and stock returns : the effect of U.S. tariffs and Canadian, Chinese and European retaliatory tariffs in 2018

Abstract

dc:description.abstract

In this study, the effect of the ongoing trade war, which started in 2018 between the United States on the one hand and the European Union, China and Canada on the other, on stock returns of publicly traded companies, is analysed. The major events of the trade war in 2018 are included in the study. The study was formalised into two hypotheses. Firstly, that the announcement of tariffs in one market would lead to average abnormal returns, either positive or negative, for companies in that market. Secondly, that the announcement of tariffs in one market would lead to average abnormal returns, either positive or negative, for companies in a foreign market targeted by the tariffs. The results of the study show a statistically significant evidence supporting the hypotheses. The study also shows that stock market reactions cannot only be expected in the markets directly involved in the events but also in other markets. In the study, there are examples of market behaviour both consistent and inconsistent with the efficient market hypothesis, and examples of where a backwards drift in returns follows a market overreaction. Keywords: Corporate finance, Fama and French three-factor model, abnormal returns, tariffs, trade war.

Author and committee

dc:creator, dc:contributor.*
Author dc:creator
  • Ólafur Freyr Frímannsson 1983-
Contributors dc:contributor
  • Háskólinn í Reykjavík

Subjects

dc:subject × 7

Rights

Language dc:language.iso
en

Identifiers

dc:identifier.*
Handle dc:identifier.uri
http://hdl.handle.net/1946/33463
OAI identifier oai:identifier
oai:skemman.is:1946/33463

Chain of custody

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Reykjavík University
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Last updated
2026-07-27
Source record
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citation

Ólafur Freyr Frímannsson 1983-. Tariffs and stock returns : the effect of U.S. tariffs and Canadian, Chinese and European retaliatory tariffs in 2018. 2019. http://hdl.handle.net/1946/33463