Suppose that a certain country has an MPC of 0.8 and a real GDP of $400 billion. If its investment spending decreases by $5 billion, what will be its new level of real GDP

What is the relationship between marginal external cost, marginal social cost, and marginal private cost? a. marginal social cost equals marginal private cost plus marginal external cost. b. marginal private cost plus marginal social cost equals marginal external cost. c. marginal social cost plus marginal external cost equals marginal private cost. d. marginal external cost equals marginal private cost minus marginal social cost. marginal external cost a. is expressed in dollars, so it is not an opportunity cost b. is an opportunity cost borne by someone other than the producer c. is equal to two times the marginal private cost d. is a convenient economics concept that is not real

Your debit card is stolen, and you report it to your bank within two business days. how much money can you lose at most? a. $500 b. $25 c. $50 d. $150

After much consideration, you have chosen cancun over ft. lauderdale as your spring break destination this year. however, spring break is still months away, and you may reverse this decision. which of the following events would prompt you to reverse this decision? a. the marginal cost of going to cancun decreases. b. the marginal cost of going to ft. lauderdale decreases. c. the marginal benefit of going to cancun increases. d. the marginal benefit of going to ft. lauderdale decreases.