Before revision: We examine problems of "intermediated implementation . "  An example is sales, whereby retailers compete through offering consumption bundles to consumers with hidden tastes, whereas a manufacturer with a potentially different goal than retailers' can regulate only the sold goods but not the charged prices by legal barriers.
After revision: We examine problems of "intermediated implementation , " An example is sales, whereby retailers compete through offering consumption bundles to consumers with hidden tastes, whereas a manufacturer with a potentially different goal than retailers' can regulate only the sold goods but not the charged prices by legal barriers.