The observed variations in practice patterns in different regions of the country is the result of all of the following except one.
a. Patients often prefer a number of different options to treat the same illness and physicians are willing to accommodate these differences.
b. The observed variations are due to scientific uncertainty associated with diagnosis and treatment.
c. There are many alternative treatment options available for most ailments.
d. Practice variations are due to differences in demographics and disease incidence across regions.
e. Medical training varies across the country depending on where the physician was trained, and most physicians' practices tend to be in the same regions.
d. Practice variations are due to differences in demographics and disease incidence across regions.
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The incentive to work is an ingredient of the negative income tax because:
a. if families do work, they will be eliminated from the program. b. if families don't work, they will be eliminated from the program. c. the more income earned in the workplace, the higher the family's after-tax income. d. the more income earned in the workplace, the higher the payment from the government. e. the amount earned in the workplace is not subject to income taxes.
Persons who have given up looking for work are classified as
a. unemployed. b. discouraged workers. c. in the labor force. d. temporarily unemployed.