Suppose corn farmers encounter a "bumper" corn crop, which results in a significant increase in the market supply curve for corn. Increases in supply will tend to

There are different interest rates associated with many types of securities. Which of the following statements is correct?

A) they vary depending on the liquidity of the security B) they vary depending on the risk associated with the security C) except in very unusual times, most interest rates move together D) all of the above E) none of the above

If Pat's income increased from $250,000 to $500,000 and his consumption increased from $200,000 to $300,000, what was his marginal propensity to consume?

a. 0.4 b. 0.6 c. 0.8 d. 0.9