Lecocq and Hourcade examine the normative aspects of sharing the costs of providing global and long-term public goods between poor and rich countries. In a one-period optimization model, who provides public goods strictly depends on whether or not individual weights in the planner's welfare...

In a one-period model, whether or not individual weights in the welfare function are based on initial endowments dictate who provides public goods. But with long-term public goods, banning wealth redistribution still allows for several equilibriums depending on Parties' willingness to...