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Stochastic Modeling of Congress
Authors:MIKHAIL V. SIMKIN
Affiliation:1. Department of Electrical Engineering , University of California, Los Angeles , Los Angeles, California , USA simkin@ee.ucla.edu
Abstract:We analyze the dynamics of growth of the number of congressmen supporting the resolution HR1207 to audit the Federal Reserve. The plot of the total number of cosponsors as a function of time is of the “Devil's staircase” type. The distribution of the numbers of new cosponsors joining during a particular day (step height) follows a power law. The distribution of the length of intervals between additions of new cosponsors (step length) also follows a power law. We use a modification of Bak-Tang-Wiesenfeld sandpile model to simulate the dynamics of Congress and obtain good agreement with the data.
Keywords:collective dynamics  mathematical modeling  social influence
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