判断说明

1> A constant returns to scale technology has constant average costs.

2> A risk-averse British Rail fare-dodger is indifferent between a 10% increase in the probability of being caught by ticket inspectors and a 10% increase in the fine imposed on being caught.

3> A reduction in the income tax rate will result in increased supply of labour provided that leisure is a normal good.

小弟谢先

[em09][em09]