The paper looks at two aspects of the Covid-19 pandemic. These are (i) the nature of this event and its implication for evaluating past policy and policy into the future, and (ii) the suitability of proposed changes in the implementation of competition policy affecting firm behaviour, market...

We study optimal merger policy in a dynamic model in which the presence of scale economies implies that firms can reduce costs through either internal investment in build- ing capital or through mergers. The model, which we solve computationally, allows firms to invest or propose mergers...

The prosecution of criminals is costly, and subject to errors. In contrast to adversarial court procedures, the prosecutor is regarded as an impartial investigator and aide to the judge in inquisitorial justice systems. We show in a sequential prosecution game of a Bayesian court that a...