Why Moats Matter : John Wiley & Sons, Inc. : 9781118760239 : 1118760239 : 22 Aug 2014 : Incorporate economic moat analysis for profitable investing Why Moats Matter is a comprehensive guide to finding great companies with economic moats, or competitive advantages. This book explains the investment approach used by Morningstar, Inc., and includes a free trial to Morningstar's Research. Economic moats?or sustainable competitive advantages?protect companies from competitors. Legendary investor Warren Buffett devised the economic moat concept. Morningstar has made it the foundation of a successful stock-investing philosophy. Morningstar views investing in the most fundamental sense: For Morningstar, investing is about holding shares in great businesses for long periods of time. How can investors tell a great business from a poor one? A great business can fend off competition and earn high returns on capital for many years to come. The key to finding these great companies is identifying