In the little book that builds wealth author pat dorsey the director of equity research for leading independent investment research provider morningstar inc reveals why competitive advantages or economic moats are such strong indicators of great long term investments and examines four of their most common sources intangible assets cost advantages customer switching costs and . The little book that builds wealth the knockout formula for finding great investments by pat dorsey comments by swati kulkarni january 2019 porters five forces framework gave me perspective to analyze the competitive intensity and profitability trends of any business in my initial years. The little book that builds wealth the knockout formula for finding great investments little books big profits 12 kindle edition by dorsey pat download it once and read it on your kindle device pc phones or tablets use features like bookmarks note taking and highlighting while reading the little book that builds wealth the knockout formula for finding great investments little books