"In 1972 he [Moi ici: Richard Rumelt] became the first person to uncover a statistical link between corporate strategy and profitability, finding that moderately diversified companies outperform more diversified ones[Moi ici: Recordar "Não há almoços grátis: Há que optar" e o esquema]
—a discovery that has held up after more than 30 years of research. Rumelt also challenged the dominant thinking with his controversial 1991 paper, “How much does industry matter?” His study, published in the Strategic Management Journal, showed that neither industries nor corporate ownership can explain the lion’s share of the differences in profitability among business units. Being in the right industry does matter, but being good at what you do matters a lot more, no matter what industry you’re in."
Trecho retirado de "Strategy’s strategist: An interview with Richard Rumelt"