Snapshots of Economic Moats and Stock Performance: Is Warren Buffett Wrong?

Quickly apply original, key PMR-published papers with Snapshots—a short article companion that distills PMR research into compressed, digestible takeaways, so you can put the paper’s core ideas to work in your investment process—fast. This Snapshot is based on an article about whether wide economic moats actually improve stock performance. It finds that wide-moat firms outperform no-moat firms but do not beat the broader market, and it suggests a screened long–short strategy while arguing value-versus-growth classification explains returns better than moat width alone overall.