Work in Progress (email me for current progress):

 

Coalition formation in tournament games with externalities

 

Implementing efficient graphs in connection networks (joint with Rajnish Kumar)

 

Optimal collusion-proof mechanisms in a network

 

Optimal group strategyproof mechanisms for divisible goods (joint with Sid Gordon)

 

Routing-proofness in congestion-prone networks (joint with Herve Moulin)

 

Aggregating student rankings

 

Group strategyproof double auctions (a negative result)

 

The stochastic rationing problem