Extensive research demonstrates that war casualties depress incumbent popularity. The present study argues that analyses of the political costs of warfare should also account for the financial toll of wars since a) financial costs of wars are substantial, b) these costs are publicly observed and...

Multicollinearity is one of the major methodological problems in the study of the guns‐growth trade-off. In this paper, we use ridge regression to separate the effects of individual variables influencing economic growth in the United States. Ridge is not a new method, but to the best of our...