Policy design in experiments with unknown interference
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arXiv
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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2020
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| _version_ | 1866916232995799040 |
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| author | Viviano, Davide Rudder, Jess |
| author_facet | Viviano, Davide Rudder, Jess |
| contents | This paper studies experimental designs for estimation and inference on policies with spillover effects. Units are organized into a finite number of large clusters and interact in unknown ways within each cluster. First, we introduce a single-wave experiment that, by varying the randomization across cluster pairs, estimates the marginal effect of a change in treatment probabilities, taking spillover effects into account. Using the marginal effect, we propose a test for policy optimality. Second, we design a multiple-wave experiment to estimate welfare-maximizing treatment rules. We provide strong theoretical guarantees and an implementation in a large-scale field experiment. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2011_08174 |
| institution | arXiv |
| publishDate | 2020 |
| record_format | arxiv |
| spellingShingle | Policy design in experiments with unknown interference Viviano, Davide Rudder, Jess Econometrics Machine Learning Methodology This paper studies experimental designs for estimation and inference on policies with spillover effects. Units are organized into a finite number of large clusters and interact in unknown ways within each cluster. First, we introduce a single-wave experiment that, by varying the randomization across cluster pairs, estimates the marginal effect of a change in treatment probabilities, taking spillover effects into account. Using the marginal effect, we propose a test for policy optimality. Second, we design a multiple-wave experiment to estimate welfare-maximizing treatment rules. We provide strong theoretical guarantees and an implementation in a large-scale field experiment. |
| title | Policy design in experiments with unknown interference |
| topic | Econometrics Machine Learning Methodology |
| url | https://arxiv.org/abs/2011.08174 |