Chapter

What Econometrics Can Teach Quantum Physics: Causality and the Bell Inequality

Nancy Cartwright

in Nature's Capacities and Their Measurement

Published in print April 1994 | ISBN: 9780198235071
Published online November 2003 | e-ISBN: 9780191597169 | DOI: http://dx.doi.org/10.1093/0198235070.003.0007

Series: Clarendon Paperbacks

What Econometrics Can Teach Quantum Physics: Causality and the Bell Inequality

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This chapter gives a concrete example of a question of current scientific interest where capacities matter: ‘Do the Bell inequalities describing

Einstein–Podolsky–Rosen (EPR) experiments show that causality is incompatible with quantum mechanics?’ The question cannot be answered if we rely on probabilistic theories of causality and laws of associations alone. It takes the concept of capacity and related notions of how capacities operate even to formulate the problem correctly. Econometrics models with correlated errors, it is shown, can explain the EPR results when the correlations are given a capacity interpretation.

Keywords: Bell inequalities; capacities; correlated errors; econometric models; Einstein–Podolsky–Rosen experiments; probabilistic causality; quantum mechanics

Chapter.  8943 words. 

Subjects: Philosophy of Science

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