We estimate capacity when firms produce both desirable and undesirable outputs using a directional distance function model, and a hyperbolic model. We impose different assumptions regarding disposability of undesirable outputs in both models, and vary the direction of vectors in the directional...

There is good reason to think that non-elite programs in economics may be producing relatively more research than in the past: research expectations have been ramped-up and new information technologies have changed how academic knowledge is produced and exchanged. This study investigates this...