Jarom and christina are twins. both jarom and christina invest $5,000 each year beginning when they are 30 years old. jarom's investment pays 7 percent annually with semi-annual compounding, while christina's pays 7 percent annually with monthly compounding. both jarom and christina retire at age 70. which one of the following statements is correct?

christina will have the same amount as jarom when they retire.
jarom will earn more in interest than christina.
christina will have more than jarom when they retire.
christina and jarom earn the same amount of interest each year.
christina will have less than jarom when they retire.

Suppose that hubert, an economist from an am talk radio program, and kate, an economist from a nonprofit organization on the west coast, are arguing over government bailouts. the following dialogue shows an excerpt from their debate: kate: to recent financial crises, the concept of bailouts is a hot topic for debate among everyone these days. hubert: indeed, it’s gotten crazy! a government bailout of severely distressed financial firms is unnecessary because free markets will properly price assets. kate: i don’t know about that. without a bailout of severely distressed financial firms, the economy will experience a deep recession. the disagreement between these economists is most likely due todifferences in scientific judgments . despite their differences, with which proposition are two economists chosen at random most likely to agree? business managers can raise profit more easily by reducing costs than by raising revenue. central banks should focus more on maintaining low unemployment than on maintaining low inflation. employers should not be restricted from outsourcing work to foreign nations

M. cotteleer electronics supplies microcomputer circuitry to a company that incorporates microprocessors into refrigerators and other home appliances. one of the components has an annual demand of 235 units, and this is constant throughout the year. carrying cost is estimated to be $1.25 per unit per year, and the ordering (setup) cost is $21 per order. a) to minimize cost, how many units should be ordered each time an order is placed? b) how many orders per year are needed with the optimal policy? c) what is the average inventory if costs are minimized? d) suppose that the ordering cost is not $21, and cotteleer has been ordering 125 units each time an order is placed. for this order policy (of q = 125) to be optimal, determine what the ordering cost would have to be.

Suppose portugal has 700 workers and 26,000 units of capital, and france has 18,000 workers and 700 units of capital. technology is identical in both countries. assume that wine is the capital-intensive good and cloth is the labor-intensive good. which of the following statements is correct if the nations start trading with each other? a) wages will increase in portugal.b) rental rates in france will increase.c) wages in france will decrease.d) rental rates in portugal will increase.