Which of the following statements about u. s. agency bonds are true?
i. they are backed by the "full faith and credit" of the u. s. government.
ii. their risk is almost as low as government notes and bonds.
iii. their yields are slightly higher than those of government securities.
iv. they are exempt from state and federal taxes.

i might look it up later.

answer about 4-5 percent of the labor force is unemployed;

the answer is "b.the increased supply will create a surplus. "

the essential thought behind price controls is straightforward - utilize the power of law to modify the equilibrium of a market. for instance, the legislature may choose that the steel business needs to survive, and in this way pass a law to set a value floor on steel. this implies all steel sold must offer at or over the floor value, which must be set over the equilibrium cost for it to have any impact. the switch could likewise happen - the administration can choose that steel is excessively costly and set a value roof underneath its equilibrium value, with the goal that all steel must be sold at or beneath that ceiling.