The paper extensively studies the static model of non-cooperative linear quadratic games in which a set of agents chooses their instruments strategically to minimize their linear quadratic criterion. We first derive the necessary and sufficient conditions for the existence of a Nash equilibrium...

This paper outlines the evolution of the theory of economic policy from the classical contributions of Frisch, Hansen, Tinbergen and Theil to situations of strategic interaction. Andrew Hughes Hallett has taken an active and relevant part in this evolution, having contributed to both the...

This paper presents a monopolistic competition model of a bank choosing the optimal level of the screening effort in the presence of cross-selling activities. We demonstrate that, in absence of informational synergies, the larger is the range of services that the bank produces, the lower is the...