Fig. 2From: Willingness to pay for small solar powered bed net fans: results of a Becker–DeGroot–Marschak auction in GhanaDemand for the ‘Bɔkɔɔ’ net fan vs. bid price per unit. Number of households (of 80 total) expected to purchase at least one fan system at a specified price. Loess smoothing used to estimate regression line, points are the number of bids at or above the specified priceBack to article page