The American petroleum refining industry has experienced serious productivity declines in the past several years. If the industry is to reverse this trend, companies such as Chevron and ExxonMobil, in addition to the government, must take an active role in stimulating productivity. All of the following represent ways to improve productivity except:

A) change in government policies that hinder productivity.

B) participative management.

C) changing work incentives.

D) increased government regulation.

E) improved relations between union and management.

Which of the following best describes a fractional reserve banking system? a. a banking system in which a large portion of the bank's assets are digital money rather than bills and coins. b. a banking system in which banks keep a portion of deposits on hand to satisfy their customer's demands for withdrawals. c. a banking system in which banks have only partial control over the interest rates they charge on loans. d. a banking system in which net worth is calculated by subtracting a fraction of liabilities from assets. 2b2t

True or false: a smart store layout moves customers in and out as fast as possible. a) true b) false

Alarge university wanted to study the relationship between completing an internship during college and students' future earning potential. prom the same graduating class, they selected a random sample of 80 students who completed an internship and 100 students who did not complete an internship and examined their salaries five years after graduation. they found that there was a statistically higher mean salary for the internship group than for the noninternship group. which of the following interpretations is the most appropriate? a. there could be a confounding variable, such as student major, that explains the difference in mean salary between the internship and no internship groups. b. we cannot infer anything from these data since the distribution of salaries is likely right skewed. c. you cannot draw any valid conclusions because the sample sizes are different. d. more students should complete internships because having an internship produces a higher salary.