This paper contributes to the literature on the costs of conflict, focusing on the important channel of its effect on food security. It does this by examining whether people in conflict zones lack sufficient food and whether this can be directly attributed to armed conflicts. It uses the...

A large literature has used tests for Granger (1969) non-causality, GNC, to examine the interaction of military spending with the economy. Such tests answer a specific although quite limited question: can one reject the null hypothesis that one variable does not help predict another? If one can...