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We provide robust empirical evidence of size effects in corporate investments. Small firms have significantly higher investment rates than large firms, even after controlling for standard empirical proxies of firm real investment opportunities and financial status, including Tobin’s Q and cash flow. Firm size is at least as important as Tobin’s Q and cash flow, both economically and statistically, in explaining variation in corporate investments. Unlike the cash flow effect, however, the size effect is robust to measurement error in Tobin’s Q. Contrary to common wisdom, the empirical evidence suggests that firm size improves the measurement of firms’ real investment opportunities rather than reflecting differences in firms’ financing frictions. Using simulated method of moments, we estimate a neoclassical model of investment and show that technological decreasing returns to scale, along with measurement error in Tobin’s Q, replicates successfully the empirical evidence on size effects.
corporate investment, size effects
Gala, V., & Julio, B. (2016). Firm Size and Corporate Investment. Retrieved from https://repository.upenn.edu/fnce_papers/30
Date Posted: 27 November 2017