20.Assume that you just graduate and get a job. You will work for 40 years and save each year before you retire. During retirement you plan to receive a pension annuity of $100,000 each year for another 40 years. How much money will you need to have at the moment you retire? How much money do you need to save every year before retirement? Assume the interest rate is always 8%. Before retirement, you deposit your saving at the end of each year. During retirement, you receive the annuity at the beginning of each year

Which of the following is a problem for the production of public goods?

How does the economy of cuba differ from the economy of north korea? in north korea, the government’s control of the economy has begun to loosen. in cuba, the government maintains a tight hold over the economy. in cuba, the government’s control of the economy has begun to loosen. in north korea, the government maintains a tight hold over the economy. in north korea, there is economic uncertainty in exchange for individual choice. in cuba, there is economic security in exchange for government control. in cuba, there is economic uncertainty in exchange for individual choice. in north korea, there is economic security in exchange for government control.\

Suppose a firm faces a fixed price of output, 푝푝= 1200. the firm hires workers from a union at a daily wage, 푤푤, to produce output according to the production function 푞푞= 2퐸퐸12. there are 225 workers in the union. any union worker who does not work for this firm is guaranteed to find nonunion employment at a wage of $96 per day. a.what is the firm’s labor demand function? b.if the firm is allowed to choose 푤푤, but then the union decides how many workers to provide (up to 225) at that wage, what wage will the firm set? how many workers will the union provide? what is the firm’s output and profit? what is the total income of the 225 union workers? c.now suppose that the union sets the wage, but the firm decides how many workers to hire at that wage (up to 225). what wage will the union set to maximize the total income of all 225 workers? how many workers will the firm hire? what is the firm’s output and profit? what is the total income of the 225 union workers? [hint: to maximize total income of union, take the first order condition with respect to w and set equal to 0.]