"This paper reviews the progress made in the literature toward defining and measuring the affordability of utilities. It highlights the relative merits of alternate affordability metrics; the practical challenges to their operationalization, including the underlying data requirements; and their...

We provide a general framework in which to determine the optimal penalty fee inducing the contractor to respect the contracted delivery date in public procurement contracts (PPCs). We do this by developing a real option model that enables us to investigate the contractor's value of investment...

This paper compares the organisation of the university sector under private provision with the structure which would be chosen by a welfare maximising government. It studies a general equilibrium model where universities carry out research and teach students. To attend university and earn higher...