David's Time With Peter F. Drucker 2020.4.11
In conclusion, institutions——businesses as well as nonbusinesses——will have to learn to base their strategy on their knowledge of, and adaptation to, the trends in the distribution of disposable income and, above all, to any shifts in this distribution. And they need both quantitative information and qualitative analysis.
——《Management Challenges for the 21st Century · Chapter2》(Peter F.Drucker,1999)