We present a two-step approach of assessing whether major donors of foreign aid have met recent demands for less proliferated and better coordinated aid efforts. First, we calculate Theil indices revealing the concentration of each donor's aid on recipient countries and specific aid sectors....

This paper analyzes how international rules are established and stabilized, i.e. how an international institutional order develops. Rules emerge mainly through learning from negative experience and serve to reduce transaction costs. The paper looks at mechanisms that stabilize rule systems, at...