According to a top-down approach, you need to start with an economic analysis, followed by industry analysis and finally company analysis.

Michael Porter’s five force model is an important tool in conducting an industry analysis.

Porter is a Harvard Professor renowned for his work in developing a specialized industry analysis model.

This is an appropriate way to assess the structure of an industry.

Michael Porter believes that the combined strength of these five forces shapes industry’s potential for value creation.

To read more Visit : https://www.elearnmarkets.com/blog/michael-porters-five-force-model/