1. Myopia: a tendency to focus on overly short future time horizons when appraising immediate costs and the potential benefits of protective investments;
2. Amnesia: a tendency to forget too quickly the lessons of past disasters;
3. Optimism: a tendency to underestimate the likelihood that losses will occur from future hazards;
4. Inertia: a tendency to maintain the status quo or adopt a default option when there is uncertainty about the potential benefits of investing in alternative protective measures:
5. Simplification: a tendency to selectively attend to on subset of the relevant factors to consider when making choices involving risk; and
6. Herding: a tendency to base choices on the observed actions of others.