Which of the following statements is true?

a) The market demand for labor is the horizontal "addition" of the firms' demand curves for labor.
b) The elasticity of demand for labor is the percentage change in quantity demanded of labor divided by the percentage change in the wage rate.
c) The factor demand curve will shift to the right if the price rises for the good the factor goes to produce.
d) The factor supply curve in an industry will shift to the left as wage rates in that industry rise.

Lasting peace is possible today because we have learned from the experiences of the last 30 years that peace is a process requiring mutual restraint and practical arrangements. this conference is a part of that process – a challenge, not a conclusion. we face unresolved problems in europe; we face them with very real differences in values and aims. but if we deal with them with careful preparation,…we have the right to expect real progress

Awidower devised his fee simple interest in his residence as follows: “to my daughter for life, then to my oldest grandchild who survives her.” at the time of the widower’s death, he was survived by his only two children, a son and a daughter, and by one grandchild, his daughter’s son. a short time later, the daughter together with her son entered into a contract to sell the residence in fee simple to a buyer. the applicable jurisdiction continues to follow the common law rule against perpetuities, but has abrogated the rule in shelley’s case. at the closing, the buyer refused to purchase the residence. can the sellers compel the buyer to do so?

Suppose jamal purchases a pair of running shoes online for $60. if his state has a sales tax on clothing of 6 percent, how much is he required to pay in state sales tax?