Measuring the Compactness of Political Districting Plans
---- Acknowledgements -----
We are grateful to Alberto Alesina, Rosalind Dixon, Edward Glaeser, Emir Kamenica, Lawrence Katz, Gary King, Glenn Loury, Barry Mazur, Franziska Michor, Peter Michor, David Mumford, Barry Nalebuff, Ariel Pakes, Andrei Shleifer, Andrew Strominger, Jeremy Stein, and seminar participants at Brown (Applied Math) and Harvard (Labor Economics) for helpful discussions and suggestions. Alexander Dubbs provided exceptional research assistance -- going far beyond the call of duty. Shiyang Cao, Laura Kang and Eric Nielsen also provided excellent research assistance. Financial support was provided by the Alphonse Fletcher Sr. Fellowship. Fryer thanks the Erwin Schrodinger International Institute for Mathematical Physics in Vienna, Austria for their hospitality. Correspondence can be addressed to Fryer at Department of Economics, Harvard University, 1875 Cambridge Street, Cambridge MA 02138 or Holden at MIT Sloan School of Management, E52-410, 50 Memorial Drive, Cambridge MA 02142. E-mail: (Fryer) firstname.lastname@example.org or (Holden) email@example.com. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.