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Data vs. Methods: Quasi-Experimental Evaluation of Alternative Sample Selection Corrections for Missing College Entrance Exam Score Data
(Economic Research Initiatives at Duke (ERID), 2016-06-07)
In 2007, Michigan began requiring all high school students to take the ACT college entrance exam. This natural experiment allows us to evaluate the performance of several parametric and semiparametric sample selection correction ...
Academic Peer Effects with Different Group Assignment Policies: Residential Tracking versus Random Assignment
(Economic Research Initiatives at Duke (ERID), 2016-03-03)
I study the relative academic performance of students tracked or randomly assigned to South African university dormitories. Tracking reduces low-scoring students' GPAs but has little effect on high-scoring students. This ...
Call Me Maybe: Experimental Evidence on Using Mobile Phones to Survey Microenterprises
(Economic Research Initiatives at Duke (ERID), 2016-07-27)
High-frequency data is useful to measure volatility, reduce recall bias, and measure dynamic treatment effects. We conduct the first experimental evaluation of high-frequency phone surveys in a developing country or with ...