Competition between insurance companies for employees of a firm often increases the prices and reduces the availability of high-quality health plans offered to employees. An insurance company can reduce competition by signing an exclusive contract, which guarantees that the company is the only...

Following the adoption of the Health Insurance Law in Bulgaria (1999), which provided the legal framework for the development of the voluntary health insurance, several health insurance funds had been established. Bulgaria had two licensed voluntary health insurance funds in 2001; in 2003 their...

One of the major problems of the U.S. health insurance market is that it leaves individuals exposed to reclassification risk. Reclassification risk arises because the health conditions of individuals evolve over time, while a typical health insurance contract only lasts for one year. A change in...

Abstract Medical bankruptcy was at the heart of the health care reform debate. According to Himmelstein et al. (2009), 62.1 percent of bankruptcies in the United States in 2007 were due to medical reasons. At the same time over 15 percent of Americans had no health insurance. The 2010 health...

One of the major problems of the U.S. health insurance market is that it leaves individuals exposed to reclassification risk. Reclassification risk arises because the health conditions of individuals evolve over time, while a typical health insurance contract only lasts for one year. A change in...

We empirically investigate the welfare implications of intermediaries in oligopolistic markets, where intermediaries offer additional services to differentiate their products from the ones of the manufacturers. Our identification strategy exploits the unique circumstance that, in the outdoors...

We discuss a subset of vertical mergers, where the exercise of market power and the efficiencies enabled by a vertical merger reduce rivals’ profits, making rivals’ exit a potentially serious concern. Rivals’ exit can fundamentally alter the welfare analysis of vertical mergers due to the...

n 2020, an antitrust lawsuit was filed against the Pork Integrators alleging a §1 Sherman Act violation. At the center of the Lawsuit, there is an alleged exchange of atomistic information about the Pork integrators’ operations using Agri Stats, Inc. as a clearinghouse. We use the Supreme...

The paper investigates pro- and anticompetitive e¤ects of the use of market share discounts (MSD�s). While MSD�s can be used for exploiting a dominant position and may lead to a welfare reduction, MSD�s also can serve as an e¢ cient device for the creation of incentives. Particularly, if...

Abstract The developing literature on consumer information and vertical relations has yet to consider information provision via costly retail price advertising. By exploring this, we show that the double marginalisation problem exists in equilibrium despite an upstream supplier offering a...