Buy up firms in other industries "as a base from which to change industry structures" there. - This is a way of securing exclusive sources of supply of raw materials, services and complementing products. If a company owns its suppliers and they are single or almost single sources of supply - in effect it has monopolized the market. If a software company owns another software company with a product which can be incorporated in its own products - and the two have substantial market shares in their markets - then their dominant positions will reinforce each other's. "Find ways to encourage particular competitors out of the industry". - If you can't intimidate your competitors you might wish to "make them an offer that they cannot refuse". One way is to buy them, to bribe the key personnel, to offer tempting opportunities in other markets, to swap markets (I will give you my market share in a market which I do not really care about and you will give me your market share in a market in which we are competitors). Other ways are to give the competitors assets, distribution channels and so on providing that they collude in a cartel. "Send signals to encourage competition to exit" the industry. - Such signals could be threats, promises, policy measures, attacks on the integrity and quality of the competitor, announcement that the company has set a certain market share as its goal (and will, therefore, not tolerate anyone trying to prevent it from attaining this market share) and any action which directly or indirectly intimidates or convinces competitors to leave the industry. Such an action need not be positive - it can be negative, need not be done by the company - can be done by its political proxies, need not be planned - could be accidental. The results are what matters. Macedonia's Competition Law should outlaw the following, as well: 'Intimidate' Competitors Raise "mobility" barriers to keep competitors in the least-profitable segments of the industry. - This is a tactic which preserves the appearance of competition while subverting it. Certain segments, usually less profitable or too small to be of interest, or with dim growth prospects, or which are likely to be opened to fierce domestic and foreign competition are left to the competition. The more lucrative parts of the markets are zealously guarded by the company. Through legislation, policy measures, withholding of technology and know-how - the firm prevents its competitors from crossing the river into its protected turf.