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Behind Morningstar's Economic Moat Rating

Morningstar's Paul Larson outlines the five sources of wide economic moats, our research team's moat-rating process, and the performance of the Morningstar Wide Moat Focus Index.

Editor's Note: Since the filming of this video, Morningstar equity analyst Matthew Coffina was named editor of Morningstar StockInvestor.

Jason Stipp: I'm Jason Stipp for Morningstar. Anyone who's read a Morningstar equity research report knows that we are quite keen on the concept of economic moat.