Picard, Pierre - In: Risks : open access journal 4 (2016) 4, pp. 1-9
In the linear coinsurance problem, examined first by Mossin (1968), a higher absolute risk aversion with respect to … wealth in the sense of Arrow–Pratt implies a higher optimal coinsurance rate. We show that this property does not hold for … decide on their health expenditures. The optimal coinsurance rate trades off a risk-sharing effect and an incentive effect …