News Analysis: Border Security Tradeoffs ? 50 40 30 + Xx- SECURITY (Percent of terrorists caught) 20 -X- X 10 20 40 60 80 100 TOURISM (Millions of visitors per year) Again, suppose the first bill that is introduced mandates that security be improved so that the probability of catching a terrorist at the border increases from 10% to 20%, and these measures do not change the position of the blue curve. The opportunity cost of this increase in security Is million visitors per year, Suppose the first bill is passed, raising the probability of catching any given terrorist from 10% to 20%. However, this isn't enough for some lawmakers, One representative introduces a bill that would increase security by an additional 10 percentage points. MacBook All