Agent Simpson tells residents of a neighborhood minorities are moving into the neighborhood and property values are sure to plummet. Resale values will suffer, the neighborhood will deteriorate, and, if they don't sell their homes now, they will lose money. What form of illegal discrimination is Agent Simpson practicing

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.