Author

Hamilton Helmer

8 key ideas, each explained in our own words.

7 Powers

  1. IDEA 1

    Lasting advantage needs power

    Helmer, a strategy adviser and investor, argues that a business can earn lasting superior returns only if it has power, a combination of a benefit and a barrier that stops competitors copying it. He identifies seven types of power.

  2. IDEA 2

    Size can lower costs

    Helmer describes scale economies, where costs per unit fall as a business grows. In his account, a firm that makes more can spread fixed costs over more units, which lets it keep prices low or earn more per unit than a smaller rival.

  3. IDEA 3

    Networks grow stronger

    Helmer describes network economies, where a product becomes more valuable as more people use it. In his account, this makes the leading product harder to challenge, since each new user adds to its appeal.

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