The study compared changes over time in health expenditures across race and ethnicity, using data from the Medical Expenditure Panel Survey. Changes from 1996-1997 to 2004-2005 were compared between non-Hispanic Whites (NHW) and non-Hispanic Blacks (NHB) and between NHW and Hispanic Whites (HW)....

Unexpected problems sometimes arise when governments attempt to introduce competition. The problem considered herein is market power and its exercise during the California electricity crisis of 2000–2001. In introducing competition, both transitional and long-run opportunities for firms...