21 citations · 38 across the 13 of their papers we have counts for
3 papers · 1 filter
Single Proxy Synthetic Control
Chan Park, Eric Tchetgen Tchetgen
Synthetic control methods are widely used to estimate the treatment effect on a single treated unit in time-series settings. A common approach to estimate synthetic control weights…
Single Proxy Control
Chan Park, David Richardson, Eric Tchetgen Tchetgen
Negative control variables are sometimes used in non-experimental studies to detect the presence of confounding by hidden factors. A negative control outcome (NCO) is an outcome th…
Universal Difference-in-Differences for Causal Inference in Epidemiology
Eric Tchetgen Tchetgen, Chan Park, David Richardson
Difference-in-differences is undoubtedly one of the most widely used methods for evaluating the causal effect of an intervention in observational (i.e., nonrandomized) settings. Th…