I analyze two connections between neoclassical and classical economics. First, I consider the indeterminacy that arises for both schools: In the neoclassical theories of overlapping generations and of factor pricing and in Sraffa's price theory. Neoclassical indeterminacy occurs only in...

We show that production economies are tatonnement stable if consumers satisfy the weak axiom of revealed preference. To ensure that producer supply decisions are well defined, we restrict prices in the tatonnement so that positive profits cannot occur but do allow supply decisions to be...