-network insurers reduce mortality because they steer patients to higher-quality providers and reduce hospital congestion. Results imply …Narrow hospital networks have proliferated in health systems with managed care. We investigate the causal effect of … that patients should be reassigned to incumbent insurers based on the overlap of their network with the terminated insurer …

We analyse - theoretically and empirically - the effect of hospital mergers on waiting times in healthcare markets … where prices are fixed. Using a spatial modelling framework where patients choose provider based on travelling distance and … long panel of data on hospital mergers in the English NHS, where we find that the effects of a merger on waiting times …