"Suppose two neighborhoods (A and B) have identical housing, but neighborhood A has a strictly enforced deed restriction that prohibits homeowners from parking junk cars in the front yard. If houses in neighborhood A sell for $105,000 and houses in neighborhood B sell for $100,000, how would an economist value the external cost of visible junk cars, per house?"

Winners of the georgia lotto drawing are given the choice of receiving the winning amount divided equally over 2121 years or as a lump-sum cash option amount. the cash option amount is determined by discounting the annual winning payment at 88% over 2121 years. this week the lottery is worth $1616 million to a single winner. what would the cash option payout be?