Advisory algorithms and liability rules

Marie Obidzinski and Yves Oytana

No 2022-04, Working Papers from CRESE

Abstract: We study the design of optimal liability rules when the use of an advisory algorithm by a human operator (she) may generate an external harm. An artificial intelligence (AI) manufacturer (he) chooses the level of quality with which the algorithm is developed and the price at which it is distributed. The AI makes a prediction about the state of the world to the human operator who buys it, who can then decide to exert a judgment effort to learn the payoffs in each possible state of the world. We show that when the human operator overestimates the algorithm's accuracy (overestimation bias), imposing a strict liability rule on her is not optimal, because the AI manufacturer will exploit the bias by under-investing in the quality of the algorithm. Conversely, imposing a strict liability rule on the AI manufacturer may not be optimal either, since it has the adverse effect of preventing the human operator from exercising her judgment effort. We characterize the liability sharing rule that achieves the highest possible quality level of the algorithm, while ensuring that the human operator exercises a judgment effort. We then show that, when it can be used, a negligence rule generally achieves the first best optimum. To conclude, we discuss the pros and cons of each type of liability rule.

Keywords: liability rules; decision-making; artificial intelligence; cognitive bias; judgment; prediction (search for similar items in EconPapers)
JEL-codes: K4 (search for similar items in EconPapers)
Pages: 38 pages
Date: 2022-09
New Economics Papers: this item is included in nep-big, nep-cmp, nep-law and nep-mic
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Working Paper: Advisory algorithms and liability rules (2022)
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