In 2009, just after taking office, President Obama approved an $800 billion stimulus package of tax cuts and increased government spending to combat the recession brought on by the financial crisis of 2007

"Personalized pricing" and "group pricing" are examples of:

A) first-degree and second-degree price discrimination, respectively. B) second-degree and third-degree price discrimination, respectively. C) first-degree price discrimination. D) first-degree and third-degree price discrimination, respectively.

To say that stock prices follow a "random walk" is to argue that stock prices

A) rise, then fall, then rise again. B) rise, then fall in a predictable fashion. C) tend to follow trends. D) cannot be predicted based on past trends.