article thumbnail

Why Companies Are Betting Against Big Ideas

Harvard Business Review

This idea of prospect theory, developed by Tversky and Kahneman and reported in a classic 1979 article (for which the Nobel prize was awarded) demonstrated that individuals do not make decisions rationally by selecting options with the highest expected value, because they are risk-averse and 'losses loom larger than gains.'.

article thumbnail

Keep Experts on Tap, Not on Top

Harvard Business Review

The psychologists Daniel Kahneman and Amos Tversky demonstrated quite convincingly that we human beings are not the model-optimizing "rational" actors that many economists historically believed we are. Ehrlich failed to appreciate the possibilities of the " Green Revolution " which dramatically increased agriculture's productivity.