Consider the following information: State Probability Stock A Stock B Stock C Boom 0.32 -0.01 0.23 0.2 Bust 0.68 0.21 -0.06 -0.06 What is the expected return of a portfolio that has invested $6,052 in Stock A, $5,060 in Stock B, and $8,047 in Stock C? (Hint: calculate weights of each stock first). Enter the answer with 4 decimals (e. g. 0.1234).

Which of the following statements regarding the southern economy at the end of the nineteenth century is accurate? the south was producing as much cotton as it had before the civil war.

Wo firms, a and b, each currently dump 50 tons of chemicals into the local river. the government has decided to reduce the pollution and from now on will require a pollution permit for each ton of pollution dumped into the river. it costs firm a $100 for each ton of pollution that it eliminates before it reaches the river, and it costs firm b $50 for each ton of pollution that it eliminates before it reaches the river. the government gives each firm 20 pollution permits. government officials are not sure whether to allow the firms to buy or sell the pollution permits to each other. what is the total cost of reducing pollution if firms are not allowed to buy and sell pollution permits from each other? what is the total cost of reducing pollution if the firms are allowed to buy and sell permits from each other? a. $3,000; $1,500 b. $4,500; $3,500 c. $4,500; $4,000 d. $4,500; $2,500

When the benefit of one particular use of a resource is greater than the opportunity cost, then that resource is which of the following? a. not scarce b. being used efficiently c. a normal good d. non-excludable