- the importance of focal points around which behavior converges
- the power to hurt is the power to bargain
- the importance of signaling
- the dynamics of tying hands and making commitments
- and, for me, what is so key today, the threat that leaves something to chance.
Anyhow, of all the stuff I read in grad school, the concepts that I rely on most often, that give me the most insight into contemporary international relations, are those I found in Strategy of Conflict and Arms and Influence.