Consumer misperceptions and product differentiation

Oren Bar-Gill () and Cass R. Sunstein ()
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Oren Bar-Gill: Harvard Law School
Cass R. Sunstein: Harvard Law School

Journal of Risk and Uncertainty, 2025, vol. 70, issue 1, No 4, 65-87

Abstract: Abstract In the current era, product differentiation is increasing; it is often fueled by big data and artificial intelligence (AI). Whereas product differentiation is generally welfare enhancing when consumers are informed and fully rational, such differentiation might reduce welfare when consumers suffer from misperceptions, either because of a lack of information or because of behavioral biases. We show that the positive and normative implications of product differentiation depend on whether consumers over or underestimate the benefits from some products. In particular, overestimation of the benefits is a potential source of significant welfare losses. We also study sellers’ incentives to promote, or combat, misperception. Our analysis can inform policymakers who are debating regulation that can make product differentiation more difficult (or easier), especially when the differentiation is instigated by AI algorithms powered by big data.

Keywords: Product differentiation; Consumer misperceptions; Industrial organization; Behavioral economics (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1007/s11166-024-09442-6

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