Productivity improvement efforts in logistics are often directed towards

a. reducing input while increasing output
b. increasing output by a greater percentage than inputs are increased
c. reducing input while holding output constant
d. increasing output while holding input constant

Kumar consulting operates several stock investment portfolios that are used by firms for investment of pension plan assets. last year, one portfolio had a realized return of 12.6 percent and a beta coefficient of 1.15. the average t-bond rate was 7 percent and the realized rate of return on the s& p 500 was 12 percent. what was the portfolio's alpha?

Which one of the following statements is true? ddt does not prevent disease from passing from agricultural animals to humans. cost was a major factor in the united states government's decision to ban ddt. many african governments concluded that the potential long-term health effects of ddt were not as serious as the immediate problem of insect control. ddt cannot accumulate in the fat of animals. the ddt ban in the united states has made it very difficult to control agricultural insect pests.

During which of the following phases of the business cycle does the real gdp fall? a. trough b. expansion c. contraction d. peak