The income effect of a price change: A. produces a backward-bending income-consumption curve. B. is always positive. C. reinforces the substitution effect in the normal good case. D. is always larger than the substitution effect in the inferior good case.

Amathematical approximation called the rule of 70 tells us that the number of years that it will take something that is growing to double in size is approximately equal to the number 70 divided by its percentage rate of growth. thus, if mexico's real gdp per person is growing at 7 percent per year, it will take about 10 years(=70/7) to double. apply the rule of 70 to solve the following problem. real gdp per person in mexico in 2005 was about $11,000 per person, while it was about $44,000 per person in the u.s. if real gdp per person in mexico grows at the rate of 5 percent per year: how long will it take mexico's real gdp per person to reach the level that the united states was at in 2005? (hint: how many times would mexico's 2005 real gdp per person have to double to reach the u.s.'s 2005 real gdp per person?

Sheldon has the following year-end account balances: accounts receivable, $5,000; supplies, $12,000; equipment, $18,000; accounts payable, $17,000; stockholders’ equity, $43,000. the cash account balance was not available at year-end. given the account balances listed, the balance in the cash account should be?

Your father's employer was just acquired, and he was given a severance payment of $375,000, which he invested at a 7.5% annual rate. he now plans to retire, and he wants to withdraw $35,000 at the end of each year, starting at the end of this year. how many years will it take to exhaust his funds, i.e., run the account down to zero? a. 22.50 b. 23.63 c. 24.81 d. 26.05 e. 27.35