Imagine a 2,000-acre park with picnic benches, trees, and a pond. suppose it is publicly owned, and people are invited to enjoy its beauty. when the weather is nice, it is difficult to find parking, and the trash cans overflow with food wrappers on summer afternoons. otherwise, it is a great place. the park is a common resource because a if too many people use it, one person's use diminishes other peoples’ use. b people can be prevented from using it. c anyone can use it without affecting anyone else. d access is limited due to driving distances.

Melissa is a very generous single woman. before this year, she had given over $11,400,000 in taxable gifts over the years and has completely exhausted her applicable credit amount. in the current year, melissa gave her daughter riley $100,000 and promptly filed her gift tax return. melissa did not make any other gifts this year. how much gift tax must riley pay the irs because of this transaction?

(a) what was the opportunity cost of non-gm food for many buyers before 2008? (b) why did they prefer the alternative? (c) what was the opportunity cost in 2008? (d) why did it change?

Until recently, hamburgers at the city sports arena cost $4.70 each. the food concessionaire sold an average of 13 comma 000 hamburgers on game night. when the price was raised to $5.40, hamburger sales dropped off to an average of 6 comma 000 per night. (a) assuming a linear demand curve, find the price of a hamburger that will maximize the nightly hamburger revenue. (b) if the concessionaire had fixed costs of $1 comma 500 per night and the variable cost is $0.60 per hamburger, find the price of a hamburger that will maximize the nightly hamburger profit.