"How can the impact of aid be estimated in the presence of fungibility? And how far does fungibility reduce its benefits? These questions are analyzed in a context where a donor wants to target its efforts on a specific sector and specific geographic areas. A traditional...

"The outlines of a potential agreement, emerging after seven years of negotiations, imply that Doha offers three key benefits: reduced uncertainty of market access in goods and services; improved market access in agriculture and manufacturing; and the mobilization of resources to deal with the...