4 papers
Optimizing Returns from Experimentation Programs
Timothy Sudijono, Simon Ejdemyr, Apoorva Lal +1
Experimentation in online digital platforms is used to inform decision making. Specifically, the goal of many experiments is to optimize a metric of interest. Null hypothesis stati…
Does Regression Produce Representative Causal Rankings?
Apoorva Lal
We examine the challenges in ranking multiple treatments based on their estimated effects when using linear regression or its popular double-machine-learning variant, the Partially…
Did Private Election Administration Funding Advantage Democrats in 2020?
Apoorva Lal, Daniel M Thompson
Private donors contributed more than $350 million to local election officials to support the administration of the 2020 election. Supporters argue these grants were neutral and nec…
A Framework for Generalization and Transportation of Causal Estimates Under Covariate Shift
Apoorva Lal, Wenjing Zheng, Simon Ejdemyr
Randomized experiments are an excellent tool for estimating internally valid causal effects with the sample at hand, but their external validity is frequently debated. While classi…