“…Failure to invest in welfare‐improving technologies appears to be common in developing countries, and many development economists have attempted to find out the reasons for this failure. One possibility is that, since solar technologies are relatively new, consumers are worried about low quality and are unwilling to pay for them because of the perceived risk of a malfunctioning product (Asfaw & Admassie, ; Dercon & Christiaensen, ; Foster & Rosenzweig, ; Guiteras, Levine, Polley, & Quistorff, ; Levine, Beltramo, Blalock, & Cotterman, ). Liquidity constraints and affordability are another key hypothesis, with evidence ranging from the nonadoption of fertilizer to the low demand for clean cookstoves and, indeed, solar lanterns (Duflo, Kremer, & Robinson, ; Giné & Yang, ; Grimm, Munyehirwe, Peters, & Sievert, ; Mobarak, Dwivedi, Bailis, Hildemann, & Miller, ).…”