Managers at Flavors, a restaurant chain, train their employees such that in the absence of employees, someone trained in the same skills can step in and do the job equally well. Thus, many modules in training are extensive as they provide employees with details of the skill sets required for different jobs. In practice, this lengthy training program does help the company as a well-trained and flexible workforce is at their disposal at all times. The managers at Flavors use .

The prebisch–singer hypothesis concludes that: a. technology lowers the cost of manufactured products, so developing countries should see an increase in their terms of trade. b. developing countries experience a long-run decline in their terms of trade, as the demand for primary products in higher-income countries declines relative to their demand for manufactured goods. c. because of unfair trading practices, labor in developing countries is exploited. d. opec has been responsible for a slowdown in the world's standard of living.