The health maintenance organization that contracts with individual physicians or group practices to provide care for a specified group of enrollees is called
a. a group-model HMO.
b. a staff-model HMO.
c. a network-model HMO.
d. an IPA.
e. a direct-contract HMO.
D
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A policy of marginal-cost pricing will ensure that many regulated industries will lose money
a. True b. False Indicate whether the statement is true or false
When some firms leave a perfectly competitive market, the price:
A. increases, and profits of those left fall. B. falls, and profits of those left rise. C. falls, and profits of those left fall. D. increases, and profits of those left rise.
Which of the following is true of a natural experiment?
A. A natural experiment occurs when some endogenous event changes the environment in which individuals, families, firms, or cities operate. B. The control group in a natural experiment is randomly chosen. C. The treatment group in a natural experiment is randomly chosen. D. Control and treatment groups in a natural experiment arise due to an exogenous event.
A recession is characterized by:
A. constant unemployment. B. an increase in the general price level. C. a period of significant increase in economic activity. D. falling GDP.