Yvon Rocaboy is Professor of Economics at the University of Rennes, France, since 1998 and former Director of the Center for Research in Economics and Management (CREM-CNRS). Yvon was a member of the European Public Choice Society (2009-2012) and co-founder of PEARL network. He has published widely in French and international journals and books. The main focus of his work is Local Public Economics (tax competition, location choice, optimal jurisdiction size), and Public Choice (Yardstick political competition, Political fragmentation), paying particular attention to the French local governments. More recently his research has focused on Sports economics issues.