Answer:
The correct answer is letter "A": We respond to marginal benefits and marginal costs.
Explanation:
Rational Choice Theory assumes an individual will always make prudent and optimal decisions that yield the most benefits. It is the basis of most mainstream economic theories. The rational choice theory considers the marginal benefit compared to the marginal cost of individuals' decisions. It could prevent people from taking an option without analyzing what is most beneficial for them.
Answer:
D) firms whose average private cost is less than price will stay in (or enter) the dry cleaning
industry even though their average social cost exceeds price.
Explanation:
When there is pollution as a result of the daily business, then it involves a huge social cost, as you cause harm to public.
But company's do not consider it in making the decision for business, as it generally do not impact the business in financial matters.
As even if the average cost is less then revenue the profit will be there to run the business.
But till the moment the financial impact is not strong of the social cost the pollution will not affect.
Likely B. Liquidity is basically the measurement of how quickly a given investment can be turned into cash. If you can sell it or take money from it quickly, it is liquid. Any one of the others (A, C or D) can be withdrawn from in a short time, and thus are very liquid. CDs, however, are set to a specified amount of time. You deposit money for, say, 5 years and then are allowed to withdraw it, not before. Thus, it is not liquid.
<span>By midpoint formula,
the percentage change in the price of a tie
= {( $55 - $45) / [($45 + $55)/2]} * 100
= (10/50) * 100
= 20 percent</span>