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 network economics. Along the way, he skillfully outlines this proven approach and reveals how you can effectively apply it to your own investment endeavors.