Laitner, John; Stolyarov, Dmitriy - In: American Economic Review 93 (2003) 4, pp. 1240-1267
Tobin's average q has usually been well above 1, but fell below 1 during 1974-1984. Our model explains this pattern and reconciles it with unchanging aggregate investment. The stock market value in the numerator of q reflects ownership of physical capital and knowledge, but the denominator...