The elasticity of the momentary supply curve for any good always equals

Which of the following statements are correct about the age-earnings cycle?

A) Earnings generally increase up till age 30 and then steadily decrease. B) Earnings increase throughout a prison's lifetime until they reach retirement. C) Earnings increase with age because workers become more productive as they age until around 50 years. Around 50 the effects of aging outweighs the further increases in productivity. D) Since every person is different we can reach no general conclusions about the age-earnings cycle.

The Sherman Antitrust Act prohibits price-fixing in the sense that

a. competing executives cannot even talk about fixing prices. b. competing executives can talk about fixing prices, but they cannot take action to fix prices. c. a price-fixing agreement can lead to prosecution provided the government can show that the public was not well-served by the agreement. d. None of the above is correct. The Sherman Act did not address the matter of price-fixing.