Diffusion index models have received considerable attention from both theoreticians and empirical econometricians in recent years. One reason for this is that datasets with many variables are increasingly becoming available and being utilized for economic modelling, and another is that common...

Foreword -- Introduction -- Robust mechanism design -- Ex post implementation -- Robust implementation in direct mechanisms -- Robust implementation in general mechanisms -- The role of the common prior in robust implementation -- An ascending auction for interdependent values : uniqueness and...