incentive theories的用法和樣例：
例句
- Need theories are sometimes called content theories of motivation because they specify what motivates individuals.
需求理論具體指出刺激個人行為的因素，所以有時稱為內在的激勵理論。 - By analyzing the economic behavior of political agents using the incentive theory in economics, we can find out the reasons for the inefficacy of external incentives.
摘要用經濟學激勵理論分析政治代理人的經濟行為，可以發現官員外在激勵有效性不高的原因。
