If taxes are the same across countries and no tariffs are imposed on international trade, the optimal strategy of a multinational firm is to set transfer prices at marginal costs of its affiliated firms. But in reality we observe trade tariffs and tax differences among countries which lead...

The paper presents the evolution of the natural monopoly term in the economic literature. Using the citations of the authors the article shows various approaches to the natural monopoly concept from the very beginning till nowadays. The definition of natural monopoly has been changing over time...