According to the evidence, the elderly poor were spendthrifts when they were working

Which of the following would likely cause the greatest deadweight loss?

a. a tax on cigarettes b. a tax on salt c. a tax on cruise line tickets d. a tax on gasoline

Technological progress occurs when the economy gets more output

A) without any more capital or labor. B) by using more capital but not more workers. C) by using more capital per worker. D) by using more labor but not more capital.