Aretiree wants level consumption in real terms over a 30-year retirement. if the inflation rate equals the interest rate she earns on her $444,000 of savings, how much can she spend in real terms each year over the rest of her life?

Which is the most compelling reason why mobile advertising is related to big data?

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.

John has been working as a tutor for $300 a semester. when the university raises the price it pays tutors to $400, jasmine enters the market and begins tutoring as well. how much does producer surplus rise as a result of this price increase?