If industry sales are $1,000, and the top four firms have sales of $500, $200, $100, and $50, respectively, what will be the four-firm concentration ratio?

When the Fed ________ the federal funds rate, other short-term interest rates ________ and the exchange rate ________

A) lowers; rise; rises B) raises; fall; rises C) raises; rise; rises D) raises; rise; falls E) lowers; rise; falls

According to the text, in the century prior to the Revolution, ____________ were a "strategic factor in the overall economic advance of the colonies."

a. advances in technology b. advances in manufacturing c. advances in farm equipment d. advances in shipping