How are the dynamics of foreign and domestic sales correlated at the firm level? The question is relevant in that the sign of the correlation shapes the international transmission of shocks and the effects of policy measures. From a theoretical perspective, the correlation could be either zero,...

This paper estimates country-specific costs and benefits of scaling up key nutrition investments in Nigeria. Building on the methodology established in the global report scaling up nutrition: what will it cost? Authors first estimate the costs and benefits of a nationwide scale up of ten...

We explore how pricing dynamics in the European airline industry vary with the competitive environment. Our results highlight substantial variations in pricing dynamics that are consistent with a theory of intertemporal price discrimination. First, the rate at which prices increase towards the...

We explore how pricing dynamics in the European airline industry vary with the competitive environment. Our results highlight substantial variations in pricing dynamics that are consistent with a theory of intertemporal price discrimination. First, the rate at which prices increase towards the...

Financial crises seem particularly severe and lengthy when banks fail to recapitalize after large losses. I explain this failure and the consequent depth of financial crises through a model in which banks provide intermediation in markets with informational asymmetries. Large equity losses...

We analyze the effects of a merger between two competitors in a Bertrand-Edgeworth model. The merger has no effect on equilibrium prices if a pure strategy equilibrium prevails both before and after the merger. Otherwise, the merger leads to higher prices. In the case where a mixed strategy...

The mininal core of strategic decisions a firm has to make is three-fold: What to produce? At which scale? At what price? A full-fledged theory of oligopolistic competition should be able to embrace these three dimensions jointly. Starting from the Cournot-Bertrand dispute and the stream of...

We explore how pricing dynamics in the European airline industry vary with the competitive environment. Our results highlight substantial variations in pricing dynamics that are consistent with a theory of intertemporal price discrimination. First, the rate at which prices increase towards the...