Despite their solid theoretical basis, models of business investment based on Tobin's Q theory have recorded a …'s technology is expanded to include two or more capital inputs, the investment equation following from maximizing behavior includes …

In his Fisher-Schultz Lecture, Martin Feldstein examined the effects of non-neutral tax rules on business investment by … existing U.S. tax rules, substantially discouraged investment in the past 15 years." In a detailed examination of Feldstein … with the relatively robust levels of net investment between 1965 and 1981 actually shown in the newly benchmarked National …