Before revision:  Thus, the two parties should enter  derivative contracts with a negotiated price, which is the other part of the solution of the risk-sharing framework. The risk-sharing framework defines the negotiation as a problem that maximizes the sum of utilities of the two parties.
After revision:  Thus, the two parties should enter derivative contracts with a negotiated price, which is the other part of the solution of the risk-sharing problem. This framework defines the negotiation as a problem that maximizes the sum of utilities of the two parties.