Making a decision at the margin is possible only in situations where a. the available alternatives can be divided into increments b. the available opportunity costs are unclear or complicated c. there are more than three different types of alternatives to consider d. there are differences in the amount of time each alternative will consume

Making a decision at the margin is possible only in situations where:

Option 'b'. the available opportunity costs are unclear or complicated

Economists use a decision at the margin to help them analyze many factors, where the marginal value can be very high, very low or in between. They consider if the marginal benefit is greater than the marginal cost.

answer: musical connotation

leonard b. meyer (1918-2007) was an american composer, author and philosopher. his work emotion and meaning in music is perhaps the first major treatise on music. it is a philosophical and psychological work, greatly influenced by koffka (one of the major proponents of gestalt psychology). his work deals with the problem of musical meaning and musical communication.