@article{estimatingheterogeneoustreatmenteffectsb, title = {Estimating Heterogeneous Treatment Effects by Combining Weak Instruments and Observational Data}, author = {Miruna Oprescu and Nathan Kallus}, year = {2024}, eprint = {2406.06452}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2406.06452v2}, }