reimbursed by insurers. A major concern in this system is overbilling, waste and fraud by providers, who face incentives to … providers that overbill insurers. Using large-scale claims data from Medicare, the US federal health insurance program for … elderly adults and the disabled, we identify patterns consistent with fraud or overbilling among inpatient hospitalizations …

What external control mechanisms are most effective in detecting corporate fraud? To address this question we study in … depth all reported cases of corporate fraud in companies with more than 750 million dollars in assets between 1996 and 2004 …. We find that fraud detection does not rely on one single mechanism, but on a wide range of, often improbable, actors …

One unusual feature of the U.S. property-casualty insurance industry is the coexistence of stock and mutual companies … insurance companies respond to differences in their underwriting environment. Agency theories suggest that the stock company may …' performance, by state and by line, in eight different lines of insurance. Stock companies are more likely than mutuals to reduce …

Care Act (ACA)'s Health Insurance Marketplaces. The RC program, which was defunded ahead of coverage year 2016, and ended … defunding, had greater premium increases in 2017, after the program ended. Insurance markets in which more insurers made RC …