To reduce traffic congestion, the Southern California Council of Governments (SCAG) advocate the implementation of:

Which tax system requires higher-income taxpayers to pay a higher percentage of their income in taxes?

a. a progressive tax b. a proportional tax c. a regressive tax d. a lump-sum tax

Assume an economy is in equilibrium at an output level of $1,500 billion. If government spending increases by $200 billion, then at the output level of $1,500 billion, there is

A. an unplanned rise in inventories. B. an unplanned inventory change of zero. C. an unplanned fall in inventories. D. either an unplanned increase or decrease in inventories depending on the value of the MPC.