Goldie is indifferent between option A, which gives her $9,000 for sure, and option B, which gives her $3,000 with probability 1/3 or $18,000 with probability 2/3. Goldie's cost of risk for option B is

Blanca would prefer a certain income of $20,000 to a gamble with a 0.5 probability of $10,000 and a 0.5 probability of $30,000. Based on this information:

A) we can infer that Blanca neutral. B) we can infer that Blanca is risk averse. C) we can infer that Blanca is risk loving. D) we cannot infer Blanca's risk preferences.

Holding other factors constant, if computers allow factory workers to manufacture more products per hour, then the real wages of factory workers will ________ and employment of factory workers will ________.

A. decrease; not change B. increase; increase C. decrease; increase D. increase; decrease