Percent Externality Cost | Maximum Social Optimal Cybersecurity Investment as a Percent of Firm’s Expected Private Expected Loss |
0% | 36.79% |
20% | 44.15% |
40% | 51.50% |
60% | 58.86% |
80% | 66.22% |
100% | 73.58% |
120% | 80.93% |
140% | 88.29% |
160% | 95.65% |
180% | 103.01% |
200% | 110.36% |