activity
20242026
collaborators

6 papers

econ.EM2026

Compositional Synthetic Controls

Onil Boussim

This paper develops a synthetic control estimator for compositional outcomes, vectors of shares generated by an underlying categorical process. Derived from a random utility model…

econ.EM2026

Correcting Sample Selection Bias in PISA Rankings

Onil Boussim

This paper proposes a method to account for sample selection (survivor bias) in cross-country comparisons. International assessments such as the Programme for International Student…

econ.EM2026

Compositional difference-in-differences

Onil Boussim

Many causal questions concern vectors of quantities across mutually exclusive categories, votes by party, employment by status, generation by energy source, where both the shares a…

econ.EM2025

Correcting sample selection bias with categorical outcomes

Onil Boussim

In this paper, I propose a method for correcting sample selection bias when the outcome of interest is categorical, such as occupational choice, health status, or field of study. C…

econ.EM2025

Identifying treatment effects on categorical outcomes in IV models

Onil Boussim

This paper provides a nonparametric framework for causal inference with categorical outcomes under binary treatment and binary instrument settings. I decompose the observed joint p…

econ.EM2024

Changes-In-Changes For Discrete Treatment

Onil Boussim

This paper generalizes the changes-in-changes (CIC) model to handle discrete treatments with more than two categories, extending the binary case of Athey and Imbens (2006). While t…