![Yeon-Koo Che](https://sites.asit.columbia.edu/econdept/wp-content/uploads/sites/18/2019/07/YKC-headshot-300x298.jpg)
Yeon-Koo Che
Kelvin J. Lancaster Professor of Economic Theory
1029 IAB
Office Hours: By Appointment
Ph.D., Stanford University
Fields: Contracts and Organization, Industrial Organization, Microeconomics
Fields: Contracts and Organization, Industrial Organization, Microeconomics
![Pierre-André Chiappori](https://sites.asit.columbia.edu/econdept/wp-content/uploads/sites/18/2017/10/PACItal-300x300.jpg)
Pierre-André Chiappori
E. Rowan and Barbara Steinschneider Professor of Economics
1009A IAB
Office Hours: By Appointment
Ph.D., University Paris 1
Fields: Contracts and Organization, Development Economics, Health and Education, Microeconomics
Fields: Contracts and Organization, Development Economics, Health and Education, Microeconomics
![Andrea Prat Andrea Prat](https://sites.asit.columbia.edu/econdept/wp-content/uploads/sites/18/2017/11/prat-300x300.jpg)
Andrea Prat
Richard Paul Richman Professor of Business and Professor of Economics
624 Uris
Office Hours: Monday 4-5 pm in IAB 1132
Ph.D., Stanford University
Fields: Contracts and Organization, Industrial Organization, Microeconomics, Political Economy
Fields: Contracts and Organization, Industrial Organization, Microeconomics, Political Economy
![Bernard Salanié Bernard Salanié](https://sites.asit.columbia.edu/econdept/wp-content/uploads/sites/18/2017/10/Bernard_Selanie_150x150.jpg)
Bernard Salanié
Sami Mnaymneh Professor of Economics
Director of the Master's Program
Director of the Master's Program
1038 IAB
Office Hours: Wednesdays 4-5 pm.
Ph.D., École des Hautes Etudes en Sciences Sociales
Fields: Contracts and Organization, Econometrics, Industrial Organization, Labor Economics, Microeconomics, Public Economics
Fields: Contracts and Organization, Econometrics, Industrial Organization, Labor Economics, Microeconomics, Public Economics