本文说明嫉妒普遍存在,并且单向地发生在双方社会差距不大的情况下;重点是从被嫉妒者的利益出发,分析出一旦嫉妒行为产生后,被嫉妒者要做出应对行为,被嫉妒者如果无视甚至刺激嫉妒者进一步地嫉妒,将遭受更多的效用损失;同时,还得出存在嫉妒机会成本的情况下,两者的总效用下降的结论 ;最后提出了与嫉妒者共生共荣的理想区域和发展假想曲线。 This article shows that jealousy is ubiquitous and unidirectionally occurs when the social gap between the two parties is small. The emphasis is on the interests of the jealousy, and analysis of the jealousy’s jealousy’s response to jealousy’s behavior once jealousy occurs If we ignore or even stimulate the jealousy, we will suffer more loss of utility. At the same time, we will draw the conclusion that the total utility of the two will decrease if there is the opportunity cost of jealousy. Finally, we come to the conclusion that coexistence and coexistence with the jealousy The ideal area and the development of imaginary curves.