Silver Book Fact
Investments in research since the 1970s have generated $1.9 trillion of value to society overall.
Lakdawala D, Sun E, Jena A, Reyes C, et al. An Economic Evaluation of the War on Cancer. J Health Econ. 2010; 29(3): 333-46. http://www.sciencedirect.com/science/article/B6V8K-4YH567G-1/2/88c88fbdd7f57d9fe08803ec85397bc0