Economic Value of Unrealized Technologies

What is the economic value of unrealized technologies? It would be nice if there were a "multi-stakeholder" examination of them. This is where inflation versus economic growth gets tricky. Productivity in terms of quantity versus a number of units per year is immeasurable, and the calculations involved become disturbing. According to insurance companies, your nationality can determine your value as a person. Regardless though, if medicines were discovered that would nullify the point of much medical research or treatments, what is the economic value of that? The sales cost, or the decrease in national income expended? Still, I don't really trust the decisions made by pedophiles, particularly if they impact me in an adverse fashion.