Journal of Health Economics 2022 | How scheduling systems with automated appointment reminders improve health clinic efficiency person Celhay, P., Boone, C. , Gertler, P., Gracner, T., Rodríguez, J.
Regional Science and Urban Economics 2022 | Location Preferences and Slums Formation: Evidence from a Panel of Residence Histories person Celhay, P., Undurraga, R.