Research into heuristics and biases... Question 21Answer a. Reinforces the assumptions of 'homo economicus' used in quantitative economic modelling b. Was developed by economists who, contrary to mainstream theory, observed people caring for each other and not just themselves c. Shows that relying on heuristics is always problematic d. Demonstrates that real humans make systematic errors in judgement and decision making e. Ensures an optimal decision outcome in every management situation