Revealing the Anatomy of Vote Trading

Guerrero, Omar A. and Matter, Ulrich (2016) Revealing the Anatomy of Vote Trading. Said Business School Working Paper 2016-26.

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Abstract

Cooperation in the form of vote trading, also known as logrolling,is central for law-making processes, shaping the development of democratic societies. Empirical evidence of logrolling is scarce and limited to highly specific situations because existing methods are not easily applicable to broader contexts. We have developed a general and scalable methodology for revealing a network of vote traders, allowing us to measure logrolling on a large scale. Analysis on more than 9 million votes spanning 40 years in the U.S. Congress reveals a higher logrolling prevalence in the Senate and an overall decreasing trend over recent congresses, coincidental with high levels of political polarization. Our method is applicable in multiple contexts, shedding light on many aspects of logrolling and opening new doors in the study of hidden cooperation.

Item Type: Oxford Saïd Research Paper
Subject(s): Complexity
Economics
Centre: CABDyN Complexity Centre
Date Deposited: 04 Nov 2016 14:57
Last Modified: 04 Nov 2016 14:57
Funders: N/A
URI: http://eureka.sbs.ox.ac.uk/id/eprint/6239

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