DOUBLE MAJORS: ONE FOR ME, ONE FOR THE PARENTS?
研究美国大学生如何选择双专业的组合，发现享受课程学习和获得父母认可是最重要的决定因素，但学生并非一个专业为自己、一个为父母，而是两个专业都兼顾这些因素，同时会策略性地选择难度和就业前景不同的专业。
At least a quarter of college students in the United States graduate with more than one undergraduate major. This article investigates how students choose the composition of their majors conditional on pursuing more than one major, that is, whether the majors that they choose are substitutes or complements. As the students use both their preferences and expectations about the realizations of future major‐specific outcomes when choosing their college majors, I collect innovative data on subjective expectations from a sample of Northwestern University sophomores. Although there is substantial heterogeneity in beliefs across students, they seem to be aware of differences across majors and have sensible beliefs about the outcomes conditional on major. Students believe that their parents are more likely to approve majors associated with high social status and high returns in the labor market. I incorporate the subjective data in a choice model of double majors that also captures the notion of specialization. I find that enjoying studying the coursework and gaining approval of parents are the most important determinants in the choice of majors. The model estimates reject the hypothesis that students major in one field to pursue their own interests and in another for parents' approval. Instead I find that gaining parents' approval and enjoying studying and working in a field of study are outcomes that are important for both majors in a student's major pair. However, I do find that students act strategically in their choice of majors by choosing majors that differ in their chances of completion and difficulty, and in finding a job upon graduation.