Fig. 4From: Willingness to pay for small solar powered bed net fans: results of a Becker–DeGroot–Marschak auction in GhanaTotal demand for ‘Bɔkɔɔ’ net fan vs. drawn price per unit. Slope estimated with Poisson regression, 95% C.I. for regression result shown with dotted lines. N number, HH householdBack to article page