The Rise of Legislative Authoritarianism

Issue Date April 2025
Volume 36
Issue 2
Page Numbers 106–117
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The literature has focused on executive aggrandizement as the path leading to autocratization. Therefore, dysfunctional relations between the executive and legislative branches were seen as a “blessing in disguise” which prevented presidents from becoming powerful enough to cause democratic backsliding. More recently, scholars have interpreted such dysfunctionality as a problem in the form of “democratic hollowing.” Yet this may be only a transitory state of affairs. Power vacuums tend to be filled. Evidence shows that even fragmented groups in the legislative branch can concentrate power. This concentration of power defines another path to democratic backsliding via what we call legislative authoritarianism.

About the Authors

Paolo Sosa-Villagarcia

Paolo Sosa-Villagarcia is a researcher at the Instituto de Estudios Peruanos and the 2024 HC2P Fellow at the Electoral Integrity Project.

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José Incio

José Incio is assistant professor of social sciences at the Pontificia Universidad Católica del Perú.

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Moisés Arce

Moisés Arce is Scott and Marjorie Cowen Chair in Latin American Social Sciences and professor of political science at Tulane University.

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