His research focuses especially on the relationship between religious and economic activity in the United States, with particular emphasis on business and media cultures. His current book project, entitled Book People: Commercial Media and the Spirit of Evangelicalism, explores the relationship between the evangelical book industry and its audience since the end of the nineteenth century. The co-chair of the American Academy of Religion's Religion and Economy group, he also serves on the editorial boards of the Journal of the American Academy of Religion and The Immanent Frame.