In labor economics, the term "customer discrimination" refers to a situation where customers are charged different prices for services rendered by a firm

Which of the following is NOT a factor that has contributed to declining private-sector differential between union and nonunion wages in the U.S. since 1980?

A) Globalization of the production process B) Improved ability of firms to substitute capital for labor in production C) Adoption of two-tiered wage and benefit structures by unionized firms D) Declines in the unemployment and health insurance premiums paid by union workers

A cottage industry exists in the home-manufacture of ‘country crafts'. Especially treasured are handmade quilts. If the fourth completed quilt took 30 hours to make, and the eighth quilt took 28 hours. What is the percentage learning?

a. 5% b. 6.7% c. 10% d. 100% e. 122%