State provision of free healthcare may encourage individuals to engage in unhealthy behavior, such as excessive smoking or consumption of alcohol. This is an example of ________

Of the 39 million Americans living in poverty, _______________ are children.

A. one-quarter B. 10 percent C. less than half D. more than half

A perfectly competitive firm can:

A. affect the market price for its good. B. sell as much as it can produce at the market price. C. prevent entry of other firms into their market. D. collude with its competitors to set prices.