Fig. 3From: Willingness to pay for small solar powered bed net fans: results of a Becker–DeGroot–Marschak auction in GhanaDemand for at least one ‘Bɔkɔɔ’ net fan vs. drawn price per unit. Predicted probability of purchase estimated with logistic regression. Tick marks shown at various points along the x-axis and at either one or zero on the y-axis represent actual data points with a small amount of random noise added in the x-directionBack to article page