A supersimple theory eliminates hyperimaginaries. In particular, in a supersimple theory Lascar strong type is the same as strong type, and every strong type has a canonical base in C . It follows that the Amalgamation Theorem (Independence Theorem) holds for types over algebraically closed sets.

‘Union bureaucracy’ is an important yet vexed term in the study of trade unions and in radical politics. At worst, it can be a label pinned by left-wing activists on those union officers whose actions or beliefs are seen as repugnant. This usage confers the label of ‘bureaucrat’ on some union officials but not on those whose behaviour is seen as praiseworthy. The term is also used in a more ser...

a r t i c l e i n f o Intermediaries that assist individuals and firms with the government bureaucracy are common in developing countries. Although such bureaucracy intermediaries are, anecdotally, linked with corruption and welfare losses, few formal analyses exist. We introduce a model in which a government license can benefit individuals. We study the net license gain when individuals get th...