NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH
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Valerio Leone Sciabolazza

Bureau of Economic and Business Research (BEBR)
University of Florida
720 SW 2nd Ave #150, Gainesville, FL 32601

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Institutional Affiliation: University of Florida

NBER Working Papers and Publications

March 2018Effectiveness of Connected Legislators
with Marco Battaglini, Eleonora Patacchini: w24442
In this paper, we study the extent to which social connections influence the legislative effectiveness of members of the U.S. Congress. We propose a new model of legislative effectiveness that formalizes the role of social connections and generates simple testable predictions. The model predicts that a legislator's equilibrium effectiveness is proportional to a specific weighted Katz-Bonacich centrality in the network of social connections, where the weights depend on the legislators' characteristics. We then propose a new empirical strategy to test the theoretical predictions using the network of cosponsorship links in the 109th-113th Congresses. The strategy addresses network endogeneity by implementing a two-step Heckman correction based on an original instrument: the legislators' alumn...
 
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