Analyzing government as the product of exchange among individuals who differ in their bargaining power, this approach shows why individuals agree to political institutions that give their governments extensive power, and why even the most powerful government benefits from constitutional rules constraining the government's power. This foundation is used to examine a wide range of government activities, including its protection of rights, its military activities and democratic political institutions. Randall G. Holcombe is the author of "Public Finance and the Political Process", "An Economic Analysis of Democracy", "Public Sector Economics" and "Economic Models and Methodology".