In the United States, which part of government investigates claims of subsidies or dumping?

Political scientist Elinor Ostrom won the 2009 Nobel Prize in Economics for demonstrating in detail how communities around the world

a. experience gaps in wealth and economic power. b. manage common pool resources effectively. c. see power as the ability to collaborate.

Which of the following explains the increase in income inequality since 1980?

A) A widening gap between the wages of skilled and extensively-educated workers and the wages of those with fewer skills and less education B) A rise in the number of single-parent families at low income levels and a rise in two-parent two-earner families at higher income levels C) An increase in the supply of less-skilled workers combined with an increase in demand for more highly-skilled workers D) All of the above.