If a ship-building company purchases $250 million worth of steel in one year but does not use it, this is considered investment spending

Competitive markets will generally produce

A) too much of a public good. B) too little of a public good. C) the efficient amount of a public good. D) the efficient amount of a public good in the short run, but not in the long run.

If disposable income increases by $100 and consumption increased by $85, ceteris paribus, we may conclude that

A) the marginal propensity to consume is 0.85. B) the marginal propensity to consume is 0.15. C) $15 is autonomous consumption. D) a change in disposable income is induced by a change in consumption.