The principle of voluntary exchange is based on the idea of
A) making assumptions.
B) isolating variables.
C) thinking at the margin.
D) rational self-interest.

Question

Quizplus · Accepted Answer

The principle of voluntary exchange is rooted in the idea of rational self-interest, as individuals are motivated to engage in a transaction only if they believe they will benefit from it.

The Principle of Voluntary Exchange Is Based on the Idea