"For United States annual data that include World War II, the estimated multiplier for temporary defense spending is 0.4–0.5 contemporaneously and 0.6-0.7 over 2 years. If the change in defense spending is "permanent" (gauged by Ramey's defense-news variable), the multipliers are higher by...

We examine how basic research should be financed. While basic research is a public good benefiting innovating entrepreneurs it also affects the entire economy: occupational choices of potential entrepreneurs, wages of workers, dividends to shareholders, and aggregate output. We show that the...