Resale price maintenance.
wUnited States v. Parke, Davis & Co. (1960).
nA manufacturer may not threaten to cut off wholesalers for selling to retailers who fail to adhere to SRP. Thus, Colgate only available to manufacturers who sell directly to retailers. A competitive advantage to manufacturers large enough to sell directly.
wSimpson v. Union Oil Co. (1964).
nCourt rules that producer can't fix retail prices of consignments of gasoline, and struggles hard to differentiate from General Electric.
An about-face in the 1960s.