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<p>This paper examines whether major political institutional disruptions produce temporary shocks or structural breaks in long-term development. Using the 1979 Iranian Revolution as a natural experiment, we apply the synthetic control method to estimate its causal effect on economic growth and institutional quality. Drawing on a panel of 66 countries from 1950 to 2015, we construct counterfactual trajectories for Iran in the absence of revolutionary change. Our results show a persistent and statistically significant divergence in per capita GDP, institutional quality, and legal constraints on executive power. We perform in-space and in-time placebo tests to rule out confounding events, such as the Iran-Iraq War and international sanctions, and propose confidence interval estimation to address uncertainty in treatment effects. The findings identify the Iranian Revolution as a structural institutional rupture, with implications for the classification of institutional change more broadly. We contribute a generalizable empirical framework for distinguishing between temporary and structural institutional shocks in long-run development.</p>

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Revolutions as structural breaks: the long-term economic and institutional consequences of the 1979 Iranian Revolution

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年6月5日

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  • Nuno Garoupa,
  • Rok Spruk

摘要

This paper examines whether major political institutional disruptions produce temporary shocks or structural breaks in long-term development. Using the 1979 Iranian Revolution as a natural experiment, we apply the synthetic control method to estimate its causal effect on economic growth and institutional quality. Drawing on a panel of 66 countries from 1950 to 2015, we construct counterfactual trajectories for Iran in the absence of revolutionary change. Our results show a persistent and statistically significant divergence in per capita GDP, institutional quality, and legal constraints on executive power. We perform in-space and in-time placebo tests to rule out confounding events, such as the Iran-Iraq War and international sanctions, and propose confidence interval estimation to address uncertainty in treatment effects. The findings identify the Iranian Revolution as a structural institutional rupture, with implications for the classification of institutional change more broadly. We contribute a generalizable empirical framework for distinguishing between temporary and structural institutional shocks in long-run development.