This dissertation contains three essays discussing government policy in higher education, the effects of online social networks during college on students after graduating, and how to use search data as a tool to recover characteristics of both products and customers to estimate demand. In the first chapter, co-authored with Shengmao Cao, we study…

Online purchasing has increased dramatically over the past 10 years and the pace is expected to continue to accelerate. This new channel of purchasing poses a challenge to online retailers as they strive to increase online repurchasing behavior. This non-experimental study addresses the problem of how to support a rapidly growing online…

Wage differentials across college majors are huge and have been increasing. The type of college education becomes important for college students in terms of future earnings. Understanding the treatment effect of major choice in a certain occupation is difficult because of the sorting behavior and the effect of occupation choice. In order to…

A mini-economy is an ongoing classroom project in which elementary school students apply for jobs, receive simulated income, go shopping at the classroom store, and ultimately create their own businesses. This study uses design-based research methodology to find out what classroom practices emerge when the College, Career, and Civic Life Framework…