1 citations · 1 across the 4 of their papers we have counts for
4 papers
Identification and Inference with Min-over-max Estimators for the Measurement of Labor Market Fairness
Karthik Rajkumar
These notes shows how to do inference on the Demographic Parity (DP) metric. Although the metric is a complex statistic involving min and max computations, we propose a smooth appr…
Causal Estimation of Position Bias in Recommender Systems Using Marketplace Instruments
Rina Friedberg, Karthik Rajkumar, Jialiang Mao +3
Information retrieval systems, such as online marketplaces, news feeds, and search engines, are ubiquitous in today's digital society. They facilitate information discovery by rank…
Donor's Deferral and Return Behavior: Partial Identification from a Regression Discontinuity Design with Manipulation
Evan Rosenman, Karthik Rajkumar, Romain Gauriot +1
Volunteer labor can temporarily yield lower benefits to charities than its costs. In such instances, organizations may wish to defer volunteer donations to a later date. Exploiting…
Ridge regularization for Mean Squared Error Reduction in Regression with Weak Instruments
Karthik Rajkumar
In this paper, I show that classic two-stage least squares (2SLS) estimates are highly unstable with weak instruments. I propose a ridge estimator (ridge IV) and show that it is as…