同濟大学 Market Size Hypothesis TONGJI UNIVERSITY TAM,SAM and Target Marget A top-down estimate is a first step.Use industry analyst reports,market-research reports, competitors'press releases,university libraries and discussions with investors and customers to TAM-how big is the miverse "size"the overall market. Caution Market research firms are great at predicting the past Therefore,a bottom-up estimate is usually more realistic for startups. 专大催 家教 Market Size Hypothesis TAM, SAM and Target Marget A top-down estimate is a first step. Use industry analyst reports, market-research reports, competitors’ press releases, university libraries and discussions with investors and customers to “size” the overall market. _------zhuan Caution Market research firms are great at predicting the past Therefore, a bottom-up estimate is usually more realistic for startups