Publication: A novel estimator of earth's curvature (allowing for inference as well)
A novel estimator of earth's curvature (allowing for inference as well)
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Bell, D. R., Ledoit, O., & Wolf, M. (2023). A novel estimator of earth’s curvature (allowing for inference as well) (No. 431; Working Paper Series / Department of Economics).
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This paper estimates the curvature of the Earth, defined as one over its radius, without relying on physical measurements. The orthodox model states that the Earth is (nearly) spherical with a curvature of π/20'000 km. By contrast, the heterodox flat-Earth model stipulates a curvature of zero. Abstracting from the well-worn arguments for and against both models, rebuttals and counter-rebuttals ad infinitum, we propose a novel statistical methodology based on verifiable flight times along regularly scheduled commercial airline routes;
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Bell, D. R., Ledoit, O., & Wolf, M. (2023). A novel estimator of earth’s curvature (allowing for inference as well) (No. 431; Working Paper Series / Department of Economics).
