We develop a model in which states may choose to form coalitions to capture efficiency gains from policy coordination. Joining a coalition entails setting the policy variable to maximize the coalition's aggregate payoff at a Nash equilib- rium against non-members, and to commit to a transfer...

The authors study a simple model of tariff wars and trade deals in which government revenue collection and disbursement uses resources. The introduction of costly governments leads to lower non-cooperative tariffs, the possibility that a less costly government may win a tariff war, and fully...

The authors develop a model in which states may choose to form coalitions to capture efficiency gains from policy coordination. Joining a coalition entails setting the policy variable to maximize the coalition's aggregate payoff at a Nash equilibrium against nonmembers and to commit to a...

The authors reconsider the literature on redistribution within a federation with mobile agents. They conclude that redistribution is a function best assigned to the national government; local governments with diverse preferences for redistribution distort individual migration decisions. The...

We study a simple model of tariff wars and trade deals in which government revenue collection and disbursement uses resources. The introduction of costly governments leads to lower non–cooperative tariffs, the possibility that a less costly government may win a tariff war, and fully...

In the Indian Himalaya, a 15 km stretch of the North Sikkim Highway that is exceptionally susceptible to landsliding is characterized by fine-grained, low permeability debris material. Lanta Khola is one of the major debris slides in this stretch and is active every year during the monsoons....

Hayakawa (1990) has very recently studied the behavior of the power for several large sample tests for the mean direction vector of the Langevin distribution. These tests are not known to possess any non-trivial optimal property. Here we derive some multiparameter locally optimal tests, e.g.,...