In their article in this journal, James, Solberg and Wolfson (1999) challenge our findings that two states are more likely to have peaceful relations if they are both democratic. They claim to develop a simultaneous system of two equations showing that peace and democracy foster each other, and...

Various psychoactive substances including illicit drugs, psychiatric medications, and adult beverages (alcohol and coffee) are commonly consumed by individuals who formulate and carry out foreign policy decisions. The effects of these agents warrant both further study and greater appreciation to...

Countries' military expenditures differ greatly across both space and time. This study examines the determinants of military spending, with particular reference to the importance of the external security environment. Using the liberal-realist model of international relations, we first estimate...

At the end of 1983 Gallup polls showed that 52 percent of Americans thought that the probability of a world war in the next 10 years was 50% or higher; by 1989 the percentage had dropped to 29%. Fear of war of this pervasiveness is bound to have an effect on decisions about present versus...

Civilian suffering from civil war extends well beyond the period of active warfare. We examine longer-term effects in a cross-national analysis of World Health Organization data on death and disability broken down by age, gender, and type of disease or condition. We find substantial long-term...