The market for toothpaste is a good example of perfect competition

Intel's capital at the end of the year equals Intel's capital at the beginning of the year

A) plus net investment. B) plus depreciation. C) minus its stock dividends. D) plus gross investment. E) minus depreciation.

The number and availability of discount brokers has grown rapidly since the mid-1970s. The efficient markets hypothesis predicts that people who use discount brokers

A) will likely earn lower returns than those who use full-service brokers. B) will likely earn about the same as those who use full-service brokers, but will net more after brokerage commissions. C) are going against evidence suggesting that full-service brokers can help outperform the market. D) are likely to outperform the market by a wide margin.