This paper demonstrates the existence of adverse selection in the group insurance market with no individual choice. We provide evidence against the “conventional wisdom” that group insurance mitigates adverse selection because of the mixture of high risks and low risks. We show, however,...

Health insurance fraud increases the inefficiency and inequality in our society. To address the widespread problem, cost effect techniques are in need to detect fraudulent claims. With a dataset from medical expense insurance in China, we propose a discrete choice model to identify predicting...

With increasing interest from commercial players in developing insurance markets to meet the needs of low-income people, efforts to find sustainable products have expanded rapidly yet remain elusive. This is particularly true in the domain of health insurance, where the general challenges of...