Learning market structure lets me know that a particular organization of a market in which certain key characteristics differ. A perfectly competitive firm, a monopoly firm, a monopolistically competitive firm and oligopoly firm are important both to firms and consumers alike, because it influences how firms and consumers operating within the market or industry behave in terms of pricing, supply, entry & exit, competition and efficiency. And in the future when we do business it also has a competitive market, certainly. Learning all of firms it lets us know how we can produce the most efficient and lowest cost. As a consumer, learning all of this firms can make us not exploited.