Caulier, Jean-François - Centre d'Économie de la Sorbonne, Université Paris 1 … - 2011
-Taagepera effective number of parties fragmentation index. With the particular method of sampling with probability proportional to the … party sizes, we show that the Laakso-Taagepera effective number of parties is the inverse of the size biased version of the … traditional expected party size in shares. Further, we provide an axiomatic definition of the Laakso-Taagepera effective number of …