Remove Revenue Remove ROI Remove Variable Costs
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An HBR Refresher on Breakeven Quantity

Harvard Business Review

“It’s one of the more popular ways that managers calculate marketing ROI,” says Avery, pointing out that other common ones include calculating the investment payback period, calculating an internal rate of return, and using net present value analysis. The variable costs to make each pair of flip flops are $14.00.

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Who Rules the Web Now?

Harvard Business Review

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. Greater scale bestows greater competitive advantage.