Harvard Business Review

FEBRUARY 7, 2012

But amidst a seemingly scripted set of responses on Walmart's supply chain and operational greening efforts, the discussion took an interesting turn. Second, Bedore spoke about how Walmart thinks about its investments in green power: "There is an ROI calculation on all sustainability investments like on all projects, but.we

ROI 15

ROI Variable Costs Energy Scaling 15

Harvard Business Review

MARCH 11, 2014

As he put it, “If you only want me to make decisions that have a clear ROI, then you should get out of the stock.” ” Cook’s gut reaction to defend actions that don’t have a clear ROI is admirable — and he has the legal right to make strategic decisions and investments, as does every CEO.

ROI 9

ROI Variable Costs Energy Benefits 9

Harvard Business Review

FEBRUARY 22, 2011

As each of these companies expands its fixed-cost infrastructure, profits grow geometrically because the additional variable cost of adding each new user is near zero. Adding a profile on Facebook has little to no impact on Facebook's operating costs. More usage funds more infrastructure.

Advertising 16

Advertising Variable Costs Scaling Media 16