What economist in the early 20th century refined the use of the equation of exchange?

How do a partnership and a corporation differ?

A) Corporations face more taxes than do partnerships. B) Corporations can issue stocks and bonds, while partnerships cannot. C) Partnerships have unlimited liability while corporations have limited liability. D) All of these are differences between the two types of businesses.

If a good is price elastic, a decrease in price will:

A) decrease total revenue. B) increase total revenue. C) not affect revenue. D) none of the above.