Browse by Issue Vol 1 (2014) Vol 2 (2015) January February March April May June July Heterogeneous Causal Effects and Sample Selection Bias (1.9 MB) Dissecting the Spirit of Gezi: Influence vs. Selection in the Occupy Gezi Movement (378.1 KB) August September November December Vol 3 (2016) Vol 4 (2017) Vol 5 (2018) Vol 6 (2019) Vol 7 (2020) Vol 8 Vol 9 Vol 10 Vol 11 Supplemental - Differences in the Risk of Grade Retention for Biracial and Monoracial Students in the United States, 2010 to 2019 (119.7 KB)