“…Dertwinkel-Kalt et al (2017a) demonstrate concentration bias in a laboratory experiment. 4 Attentional focusing provides a unified approach to explain puzzling behavior in a wide range of domains, such as consumer choice (e.g., the attraction effect and the efficacy of misleading sales, see Bordalo et al, 2013b), choice under risk (e.g., the fourfold pattern of risk attitudes, the Allais paradox, and preference reversals, see Bordalo et al, 2012), and financial decision making (e.g., the equity premium puzzle and skewness preferences, see Bordalo et al, 2013a;Dertwinkel-Kalt and Köster, 2018).…”