International Conflict, Defense Spending, and the Size of Countries

Working Paper: NBER ID: w5694

Authors: Alberto Alesina; Enrico Spolaore

Abstract: This paper provides a formal model of endogenous country formation and of choice of defense spending in a world with international conflict. The model is consistent with three observations. First, secessions and, more generally, break-up of countries should follow a reduction in the likelihood of international conflict. Second, the number of regional conflicts between smaller countries may increase as a result of the break-up of larger countries. Third, the size of the peace divided -- i.e., the reduction in the defense spending in a more peaceful world -- is limited by the process of country break-up.

Keywords: international conflict; defense spending; country size

JEL Codes: F51; H56


Causal Claims Network Graph

Edges that are evidenced by causal inference methods are in orange, and the rest are in light blue.


Causal Claims

CauseEffect
A reduction in the likelihood of international conflict (F51)An increase in the number of countries (F69)
The breakup of larger countries (F36)An increase in the number of regional conflicts between smaller countries (F51)
A reduction in military spending following the end of the Cold War (H56)Limited reduction in military spending due to increased per capita costs of defense in smaller countries (H56)

Back to index