Michael Porter’s Five Challenges Regarding Eharmony As well as Competitive Advantages 1st design introduced so you’re able to a business scholar try Michael Porter’s four pushes and it is regarded as the most common build to research the structure from a market. The 5 pushes was: a great. Burden so you can Entry b. Existing industry rivalry c. Threat of substitutes d. Negotiating fuel out-of providers elizabeth. Negotiating strength out of buyers. I do believe, 1st force from the model try Hindrance