rates and calories varied with economic development. During the 19th century, black physical activity and net nutrition … expectancy was not likely due to improved nutrition. Physically active farmers had greater BMRs and received more calories per … day than workers in other occupations. Black diets, nutrition, and calories varied by residence, and rural blacks in the …

expectancy increased at the same time that nutrition decreased, indicating that the most important source of increased life … expectancy was not improved nutrition. Physically active farmers had greater BMRs and received more calories per day than workers … in other occupations. White diets, nutrition, and calories varied by residence, and whites in the rural Deep South …

incorporated. We find that tougher competition between the JV partners may actually increase channel profit under such a scheme. We …

This paper sheds light on an empirical controversy about the effect of competition on price discrimination. We … shows that whether competition has a positive or negative effect on price dispersion depends on the level of demand …

This paper investigates competition between health insurance companies under different financing regulations. We … consider two alternatives advanced in recent German health care reform discussions: competition by contribution rates (health … contributions) and by fees (health premia). We find that contribution rate competition yields lower company profits and higher …

of winning and losing in a competition on the willingness to seek further challenges. Participants in a lab experiment … compete in two-person tournaments and are then informed of their score and the outcome of the competition. Conditional on the …