Feld, Scott L.; Grofman, Bernard - In: Journal of Theoretical Politics 19 (2007) 1, pp. 101-106
The Laakso-Taagepera index (Laakso and Taagepera, 1979) has become the most commonly used measure to specify the â … known that the Laakso-Taagepera index is the inverse of the even more widely used Herfindahl-Hirschman index of … party and electoral systems literatures. By expressing the Herfindahl-Hirschman index and the Laakso-Taagepera index in …