, general substitution theorem, demand theorem. JEL Classification Number: D11 …. Proposition 6.1. (General Substitution Theorem) A tight SDC, C, satisfies WASRP if and only if it also satisfies SS. Proof …: See the Appendix. The General Substitution Theorem (Proposition 6.1) is our central result. Under the assumption of …

, general substitution theorem, demand theorem. JEL Classification Number: D11 …. Proposition 6.1. (General Substitution Theorem) A tight SDC, C, satisfies WASRP if and only if it also satisfies SS. Proof …: See the Appendix. The General Substitution Theorem (Proposition 6.1) is our central result. Under the assumption of …