A first step in margin squeeze investigations is a detailed inquiry into the nature of competition in both the. upstream and downstream markets. A common requirement is that the firm allegedly squeezing margins has. market power in the upstream market.
Mineral oil is a colorless and odorless oil thatâs made from petroleumâas a by-product of the distillation of petroleum to produce gasoline. Itâs long been used as a common ingredient in lotions, creams, ointments, and cosmetics.Itâs lightweight and inexpensive, and helps reduce water loss from the skin.ineral oil is a colorless and odorless oil thatâs made from petroleumâas a by-product of the distillation of petroleum to produce gasoline. Itâs long been used as a common ingredient in lotions, creams, ointments, and cosmetics.
Mineral oil is used to  distinguish oily substances that came out of the ground from oily  substances that are derived from plant â¦ s or animals. The mineral  in this case is petroleum, the substance from which  mineral oil is derived.(Petroleum simply means stone oil in  Greek).   Mineral oil is mainly a mixture of alkane hydrocarbons. If that  sounds a lot like gasoline, it is ...he mineral  in this case is petroleum, the substance from which  mineral oil is derived. (Petroleum simply means stone oil in  Greek).    Mineral oil is mainly a mixture of alkane hydrocarbons.