9) “Horizontal Merger” means a merger of two or more providers of Telecommunications Services that compete in the same market. 10) “Infrastructure Sharing” means various kinds of arrangements to share an infrastructure sharing and collocation provider’s active and passive infrastructure, including, but not limited to, the sharing of network elements, antennas, switches, radio access nodes, systems, equipment, facilities, premises or rights of way, with an infrastructure sharing and collocation seeker, subject to an agreement between the parties. 11) “Margin Squeeze” means the occurrence when a Telecommunications Operator in a relevant retail market who also supplies an essential Wholesale Service to a competitor in a retail market, sets its retail tariff and, or wholesale tariff, such that, the difference between the retail tariff and the wholesale tariff of the corresponding Wholesale Service, would not allow an efficient retail competitor to sustain a competing service. 12) “Market Review” means an assessment of competition on telecommunications services to determine and define which telecommunications services shall be susceptible to ex-ante competition regulation. It also shall determine whether there are dominant players with Significant Market Power (SMP) in those markets, and whether regulatory remedies are required to make these markets less susceptible to anti-competitive conduct or practices. 13) “Merger” means when two or more authorized providers of Telecommunications Services, previously having independent existence, amalgamate, or when such parties pool resources, for the purpose of providing Telecommunications Services. 14) “Mergers and Acquisitions Notification” means a notification to the Authority by a person that intends to enter into an agreement or arrangement of an acquisition or a Merger involving directly or indirectly a Telecommunications Operator. 15) “Predatory Pricing” means where a telecommunications operator deliberately incurs losses or foregoes profits in the short term, with the intention of foreclosing or be likely to foreclose, a competitor or potential competitor. 16) “Price” means any charge, tariff or levy, and underlying terms and conditions imposed by a Telecommunications Operator for a Telecommunications Service. 17) “Relevant Market” means a relevant product market that comprises all those products or services which are regarded as interchangeable or substitutable by the consumer due to the products or services characteristics, prices and intended use and/or a relevant geographic market that comprises the area in which the operators concerned are involved in the supply of products or services and in which the conditions of competition are sufficiently homogeneous. 18) “Retail Service” means a Telecommunications Service that is provided to the end user or subscriber and not to another Telecommunications Operator. 19) “Significant Market Power (SMP)” means the ability to materially affect the price or supply in the relevant market for communications service as a result of either control over essential facilities or use of a Person’s position in the market. 20) “Small but Significant Non‐transitory Increase in Price (SSNIP) Test” means a methodology to define a relevant market by considering demand and supply 3