In the United States in 2016, the percentage of people with some form of health insurance was about

The theory of competitive pricing

a. is an imperfect model of market performance. b. is a set of ideal conditions and outcomes. c. is ineffective when large swings in price occur. d. demonstrates the need for subsidies and price ceilings.

Does the presence in the real world of intraindustry trade prove or disprove the classical or Heckscher-Ohlin models? Explain

What will be an ideal response?