The author thanks her advisor Ashley Swanson and dissertation committee (Robert Burns, Guy David, Hanming Fang, and Ingrid Nembhard) for guidance and support; Stefan Scholtes, the associate editor, and the referees for comments and suggestions that greatly improved this work; and Elizabeth Ananat, Julia Bodner, Amelia Bond, Emma Boswell, Kate Bundorf, Sebastian Calonico, Stephen Coussens, Stuart Craig, Thomas D’Aunno, Jaime Daw, Mathijs De Vaan, Matt Grennan, Adam Leive, Lesley Meng, Matthew Neidell, Elena Prager, Adam Sacarny, Bhaven Sampat, Toby Stuart, Sebastian Tello-Trillo, and Basima Tewfik for comments on an earlier draft.