Since 1960, there have been how many years of budget surplus?

A marginal benefit curve

A) is the same as a demand curve. B) is the same as a supply curve. C) slopes upwards. D) is a vertical line at the efficient quantity. E) is U-shaped.

Which of the following is likely to cause an increase in the wage rate and a fall in the employment level in a country?

A) A right shift in the demand curve for labor, without any change in the supply curve for labor B) A left shift in the demand curve for labor, without any change in the supply curve for labor C) A right shift in the supply curve for labor, without any change in the demand curve for labor D) A left shift in the supply curve for labor, without any change in the demand curve for labor