This dissertation consists of two essays in economics of industrial organization on private Medicare insurance markets. In the first chapter, together with Naoki Aizawa, we study the incentives for private health insurers to use advertising to attract healthy individuals in the market for private Medicare plans called Medicare Advantage (MA). Using data on the advertising expenditures of MA pla...

the objective of this study was to compare an indirect elisa, based on a purified 60 kda envelope glycoprotein (gp51su), with a pourquire indirect elisa for the detection of antibodies to the bovine leukemia virus. for conducting this research, 340 serum samples were collected from two different breeds of cows (sarabi and holestin) in different herds. commercial elisa revealed positive results ...

S. Kitayama, S. Duffy, T. Kawamura, and J. T. Larsen (2003) found that East Asians, when shown a line inside a square, memorized more accurately the ratio of the line's length relative to the square than the line's absolute length, whereas North Americans showed the opposite results. Because of this study's important implications on cultural influence to visual perception, we attempted to repli...