Joe Spengler, now age 54, lost his job as a shipbuilder during the recession of 1991 . His plant never reopened, and he has very specialized skills that are no longer in demand. Joe's unemployment is best classified as

The table below shows four alternative techniques for assembling a car. Which of the four techniques for assembling a car cannot be economically efficient with any input prices?

A) T-1 B) T-2 C) T-3 D) T-4

In recent years, established U.S. stock markets have faced significant competition from:

a. new start ups b. small, regional stock markets c. foreign stock markets d. people buying & selling stocks online