The United States relies primarily on private health insurance markets, yet these markets are highly concentrated and becoming more so over time. We document concentration across commercial, Medicare Advantage, and Medicaid markets. We then examine how asymmetric information--particularly...

We estimate a dynamic model of the U.S. space launch industry. The model allows past launches to improve rocket reliability and lower launch costs. It also allows the government to make forward-looking procurement choices. We use the model to analyze policy-relevant issues in the recent history...

The objective of this study is to examine the interrelation between competitive human capital (CHC) and a professional football club's (PFC) sports performance (SP) and business performance (BP). The research methodology is based on a seemingly unrelated regressions (SUR) model with panel data....