University of Michigan Associate Professor of Political Science
In recent years, numerous state and federal courts have heard challenges to legislative redistricting maps on partisan grounds. How do we determine whether a redistricting plan was intentionally drawn to favor one party or another? In this presentation, Jowei Chen discusses his work using computer simulation models to produce thousands of partisan-neutral maps for congressional and state legislative districts. He analyzes how states’ enacted districting maps compare to these computer-simulated maps along traditional redistricting criteria and along partisanship. These comparisons have been used to help courts evaluate whether redistricting maps exhibit partisan bias.