Most analysis of market power assumes that managers are perfect agents for shareholders. This paper relaxes that assumption. When managers of a multi-product firm exert unobservable effort to improve product quality, price coordination incentives tradeoff with effort incentives. This makes some intra-firm price competition optimal, explaining why many multi-product firms allow for competition b...

At the changing geopolitical landscape with Covid-19 pandemic scenario, China-India tussle and scale of regional global exposition has begun to display certain consequences, which seems shake existing balance power. A mounting political military confrontation between these two powers as experts suggested could create a hurdle on regional-global stability can strike path globalization. With hist...

The Arctic region is sometimes described as an area of geopolitical competition and boundary disputes. However, in terms territorial maritime claims, such portrayals are misleading. Our exam...

There is a substantial body of economic literature discussing various approaches to delimiting geographic markets.' These approaches, however, seldom have been applied to analyses of hospital markets. With the growth of multihospital systems 2 and the increased interest of the Federal Trade Commission and the United States Department of Justice in examining competition in the health care sector...

In 1989, a localized outbreak of 10 cases of poliomyelitis occurred in Saudi Arabia. Wild poliovirus type 1 was isolated from 5 patients. To determine the patterns of poliovirus circulation, partial nucleotide sequences of the poliovirus isolates were compared. These isolates were remarkably diverse. Two isolates were closely related to each other and to viruses isolated during the 1988 epidemi...

response surface models predict crop yield based on crop density and this is an important tool for evaluation competition at different density and hence selection of optimum density based on yield. in order to study intra and inter specific competition in intercropping bean (phaseolus vulgaris) and sesame (sesamum indicum), an experiment was conducted at the agricultural research station, ferdo...