Michael porter proposed that business-level strategies originate with the primary competitive forces in the firm's environment; these forces are

The answer to the blank provided above is this: threats of new entrants and substitute products or services, bargaining power of suppliers and buyers, and competitive rivalries. This statement is according to Michael Porter. Michael Eugene Porter is actually a known theorists which covers economics, social studies, and businesses. Business level strategies composed those strategies that can be used in a competitive market and how to take advantage of the competition.

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