The Value of Intangible Corporate Assets: An Empirical Study of the Components of Tobin's Q
The relative stock market valuation of the intangible asset created by R&D; investment in U.S. manufacturing firms has fallen from rough equality with ordinary tangible assets during the 1973-1982 period to about twenty to thirty percent of ordinary capital during the 1986-1990 period. At the same time, the relative market valuation of advertising expenditure has risen to parity with R&D; spending. This finding is based on a large comprehensive panel of about 2500 U.S. industrial corporations, covering eighty to ninety percent of industrial R&D; performed by U.S. firms and is robust to industry controls, sample selection, and various specification tests. Possible explanations for the finding are discussed, but definitive answers await future research.
(This abstract was borrowed from another version of this item.)
|Date of creation:||01 Jan 1993|
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