Pat Dorsey has been a fly-fishing guide for twenty years and is Southwest Field Editor for "Fly Fisherman". Author of "Colorado Guide Flies" (978-1-934753-33-0), "Fly Fishing Tailwaters" (978-0-8117-0512-7), and "Tying and Fishing Tailwater Flies" (978-0-8117-0722-0), Pat travels the country speaking to local, Trout Unlimited, and Federation of Fly Fishers clubs and conducts seminars at trade shows throughout the country. He lives in Parker, Colorado.
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All highly profitable firms attract competitors, and only firms that are able to keep competition at bay will earn above-average profits for an extended period of time. An economic moat - or competitive advantage - allows a company to fend off competitors... SEE MORE