Imagine that you are the supervisor of a pharmacy. You have received a few complaints about mistakes in customer's prescriptions. To improve the quality of service delivered by the pharmacies, you can concentrate on (a) doing a better job of catching errors in the future or (b) doing a better job of avoiding errors. Which approach would you choose? Explain.

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.