This paper addresses the spatial evolution of countries accounting for economics, geography and (military) force. Economic activity is spatially distributed following the AK model with the output being split into consumption, investment, transport costs and military (for defense and expansion)....

This paper presents a dynamic model on lobbying. The interactions between two competing lobbies, who attempt to influence regulations and legislation, are modeled as a differential game. The author considers for this game first a time-consistent and then a subgame-perfect equilibrium (in linear...

This paper investigates profit-maximizing conservation incentives of a utility, where the interest in conservation results from prices regulated below the marginal costs of supply and where consumers differ with respect to their subjective time preference. Conventional least-cost planning...

This article considers distributed and hierarchical decisions where the actions of two units of a firm (divisions, brands, departments) lead to externalities. For example, brand 1 plans to offer a new product that could have adverse effects on products from brand 2. Each unit has private...