We study the heterogeneity of preferences regarding the limited substitutability of environmental public goods vis-a-vis private consumption goods and how it affects the economic valuation of environmental public goods. We show theoretically that mean marginal willingness to pay for an...

I derive values of marginal changes in a public good for two-person households, measured alternatively by household member is̕ willingness to pay (WTP) for the good on behalf of the household, WTPi(H), or by the sum of individual WTP values across family members, WTP(C). Households are assumed...