How do externalities loading ... affect markets? if a negativenegative externality in productionproduction is present in a market, then?

An external (outside reality) of an Market company is one of the many terms in stock, economics and finance that attempts to serve as an model term. The presence of all competition to an positive financial growth is determined bu y the not having externalities of other advertisements, franchise and similar products that someone's company is attempting to push, manufacture or sell at the highest range.