Why High-Order Polynomials Should Not Be Used in Regression Discontinuity Designs
نویسندگان
چکیده
منابع مشابه
Why high-order polynomials should not be used in regression discontinuity designs∗
It is common in regression discontinuity analysis to control for third, fourth, or higher-degree polynomials of the forcing variable. There appears to be a perception that such methods are theoretically justified, even though they can lead to evidently nonsensical results. We argue that controlling for global high-order polynomials in regression discontinuity analysis is a flawed approach with ...
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ژورنال
عنوان ژورنال: Journal of Business & Economic Statistics
سال: 2018
ISSN: 0735-0015,1537-2707
DOI: 10.1080/07350015.2017.1366909