Figure 1From: Willingness to pay for health care services in common cold, retinal detachment, and myocardiac infarction: an internet survey in JapanThe relationship between the presented price and the number of individuals who are willing to pay more than the price. Y = α eβX, X: presented price [USD], Y: the number of tolerant individuals, α, β: constant, R2: coefficient of determination.Back to article page