Editing Monopoly (section)

==== Other related factors ====
According to the Guidance, there are three more issues that must be examined. They are actual competitors that relates to the market position of the dominant undertaking and its competitors, potential competitors that concerns the expansion and entry and lastly the countervailing buyer power.<ref name=":2" />
* '''Actual Competitors'''

Market share may be a valuable source of information regarding the market structure and the market position when it comes to accessing it. The dynamics of the market and the extent to which the goods and services differentiated are relevant in this area.<ref name=":2" />
* '''Potential Competitors'''

It concerns with the competition that would come from other undertakings which are not yet operating in the market but will enter it in the future. So, market shares may not be useful in accessing the competitive pressure that is exerted on an undertaking in this area. The potential entry by new firms and expansions by an undertaking must be taken into account,<ref name=":2" /> therefore the barriers to entry and barriers to expansion is an important factor here.
* '''Countervailing buyer power'''

Competitive constraints may not always come from actual or potential competitors. Sometimes, it may also come from powerful customers who have sufficient bargaining strength which come from its size or its commercial significance for a dominant firm.<ref name=":2" />