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.
- Monopoly (only one seller) - Oligopoly (few sellers of goods) - Monopolistic competition (many sellers with highly differentiated product) - Monopsony (only one buyer of a product).