The first edition of Newtâs Fantastic Beasts book is published in 1927, a year after the events of the Fantastic Beasts movie. By the time of the Harry Potter novels, set in the 1990s, Scamanderâs book is in its 52nd edition.
Definition of 'Monopoly'. Tweet. A market structure characterized by a single seller, selling a unique product in the market. Definition: A market structure characterized by a single seller, selling a unique product in the market.In a monopoly market, the seller faces no competition, as he is the sole seller of goods with no close substitute.weet. A market structure characterized by a single seller, selling a unique product in the market. Definition: A market structure characterized by a single seller, selling a unique product in the market. In a monopoly market, the seller faces no competition, as he is the sole seller of goods with no close substitute.
Definition of Monopoly: 1  A pure monopoly is defined as a single seller of a product, i.e. 100% of market share.  In the UK a firm is said to have monopoly power if it has more than 25% of the market share. For example, Tesco @30% market share or Google 90% of search engine traffic.