We use the 1952 Swedish municipal amalgamation reform to study free-riding and the common pool problem in politics. We expect municipalities that were affected by the reform to increase their debt in anticipation of a merger, and this effect to be larger if they were merged with many other...

In a recent paper, García-Mainar and Montuenga-Gómez (2005) apply the generalized IV model of Hausman and Taylor to estimate education returns of wage earners and the self-employed in Portugal and in Spain. Our examination reveals several problems which relate to the validity and documentation...