Which of the following statements is true of Adam Smith's concept of self-interest?

A) He argued that a person's self-interest was determined by the government.
B) He assumed that people are motivated by self-interest for economic gain.
C) He suggested that employees are least productive when motivated by self-interest.
D) He emphasized that a person's self-interest is not based on his or her individual goals.

Economic Gain

The increase in economic wealth or benefit, typically measured in terms of profit, revenue growth, or asset value.

Self-interest

The motivation based on one's own benefit or advantage, often considered as the primary motivating factor behind human actions.

Productivity

The measure of efficiency in which goods and services are produced, often assessed through output per unit of input (like labor, time, or cost).