The impact of the Hamas-Israel conflict on the U.S. defense industry stock market return.

On October 7th, 2023, Hamas carried out a terrorist attack on Israel. The Israeli government promptly retaliated the attack with massive bombing and a major military operation in the Gaza Strip. Following these events, a period of uncertainty started about the potential escalation of the internal co...

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Main Author: Jeroen Klomp
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2025-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0314677
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author Jeroen Klomp
author_facet Jeroen Klomp
author_sort Jeroen Klomp
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description On October 7th, 2023, Hamas carried out a terrorist attack on Israel. The Israeli government promptly retaliated the attack with massive bombing and a major military operation in the Gaza Strip. Following these events, a period of uncertainty started about the potential escalation of the internal conflict into a widespread regional conflict, or at least causes a threat to the fragile peace in the Middle East. This uncertainty was even further exacerbated as many regional leaders strongly condemned the actions of Israel. This study investigates whether the equity value of U.S. defense companies stands to gain in the short run from the risk of regional peace instability, given the anticipated increase in demand for arms. For this purpose, we rely on different approaches to capture the threat to regional peace caused by the internal conflict, including one based on the intensification of internet searches containing information about the Hamas-Israeli conflict. The key findings of this study unequivocally reveal that there is a significant positive relationship between the conflict intensity and the daily stock market returns of U.S. arms-producing firms. This result may suggest that investors are inclined to believe that the internal conflict is a serious threat to the regional peace, thereby enhancing the business prospects of the U.S. defense industry, as the largest arms supplier in the area.
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spelling doaj-art-b4f7c64b7a49436f83d8d6cbae570c0b2025-02-09T05:30:36ZengPublic Library of Science (PLoS)PLoS ONE1932-62032025-01-01202e031467710.1371/journal.pone.0314677The impact of the Hamas-Israel conflict on the U.S. defense industry stock market return.Jeroen KlompOn October 7th, 2023, Hamas carried out a terrorist attack on Israel. The Israeli government promptly retaliated the attack with massive bombing and a major military operation in the Gaza Strip. Following these events, a period of uncertainty started about the potential escalation of the internal conflict into a widespread regional conflict, or at least causes a threat to the fragile peace in the Middle East. This uncertainty was even further exacerbated as many regional leaders strongly condemned the actions of Israel. This study investigates whether the equity value of U.S. defense companies stands to gain in the short run from the risk of regional peace instability, given the anticipated increase in demand for arms. For this purpose, we rely on different approaches to capture the threat to regional peace caused by the internal conflict, including one based on the intensification of internet searches containing information about the Hamas-Israeli conflict. The key findings of this study unequivocally reveal that there is a significant positive relationship between the conflict intensity and the daily stock market returns of U.S. arms-producing firms. This result may suggest that investors are inclined to believe that the internal conflict is a serious threat to the regional peace, thereby enhancing the business prospects of the U.S. defense industry, as the largest arms supplier in the area.https://doi.org/10.1371/journal.pone.0314677
spellingShingle Jeroen Klomp
The impact of the Hamas-Israel conflict on the U.S. defense industry stock market return.
PLoS ONE
title The impact of the Hamas-Israel conflict on the U.S. defense industry stock market return.
title_full The impact of the Hamas-Israel conflict on the U.S. defense industry stock market return.
title_fullStr The impact of the Hamas-Israel conflict on the U.S. defense industry stock market return.
title_full_unstemmed The impact of the Hamas-Israel conflict on the U.S. defense industry stock market return.
title_short The impact of the Hamas-Israel conflict on the U.S. defense industry stock market return.
title_sort impact of the hamas israel conflict on the u s defense industry stock market return
url https://doi.org/10.1371/journal.pone.0314677
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