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Commitment through Sacrifice: How longer Ramadan fasting strengthens religiosity and political Islam

Aksoy, Ozan; Gambetta, Diego; (2022) Commitment through Sacrifice: How longer Ramadan fasting strengthens religiosity and political Islam. American Sociological Review 10.1177/00031224221101204. (In press). Green open access

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Abstract

Religions seem to defy the law-of-demand, which suggests that all else equal, an increase in the cost of an activity will induce individuals to decrease the resources they spend on that activity. Rather than weakening religious organizations, evidence shows that the sacrifices exacted by religious practices are positively associated with the success of those organizations. We present the first strong evidence that this association is neither spurious nor endogenous. We use a natural experiment that rests on a peculiar time-shifting feature of Ramadan that makes the fasting duration—our measure of sacrifice—vary not just by latitude but from year-to-year. We find that a half-hour increase in fasting time during the median Ramadan day increases the vote shares of Islamist political parties by 11 percent in Turkey’s parliamentary elections between 1973 and 2018, and results in one additional attendee per 1,000 inhabitants for voluntary Quran courses. We further investigate two mechanisms, screening and commitment, that could explain the effects we find. By testing their divergent implications, we infer that commitment is the mechanism triggered by sacrifice, which drives up the intensity of religious beliefs and participation that in turn bolster the success of religious organizations.

Type: Article
Title: Commitment through Sacrifice: How longer Ramadan fasting strengthens religiosity and political Islam
Open access status: An open access version is available from UCL Discovery
DOI: 10.1177/00031224221101204
Publisher version: https://doi.org/10.1177/00031224221101204
Language: English
Additional information: This article is distributed under the terms of the Creative Commons Attribution 4.0 License (https://creativecommons.org/licenses/by/4.0/)
Keywords: religion, Ramadan, religious fasting, voting, screening, signaling, commitment, natural experiment
UCL classification: UCL > Provost and Vice Provost Offices > School of Education > UCL Institute of Education
UCL > Provost and Vice Provost Offices > School of Education > UCL Institute of Education > IOE - Social Research Institute
UCL > Provost and Vice Provost Offices > School of Education
UCL
URI: https://discovery.ucl.ac.uk/id/eprint/10144240
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