In this paper, I examine the innovation chain that is composed of inputs→intermediaries→outputs in R & D investment project. Inputs are the basic research investment aimed at creating innovation capabilities or new knowledge, the product development investment, and the process R & D investment such as efforts to increase the efficiency of production. Intermediaries are the stock of technological knowledge by which inputs are converted to outputs. Measurement difficulties concerning with the stock of technological knowledge are originated from no rivalry or nonappropriability and inherent high risk. Nonfinancial measures such as patent expiration dates, products off patents, anticipated development completion dates, FDA drug approval, a beta test for soft program, etc. are used to measure the stock of technological knowledge.
Outputs may be indicated by revenues from patent sales and royalties, sales of differentiated products, and measurable cost saving. To maintain consistency with the metrics of the corporate value, management should use DCF or the present value of excess earnings to measure the anticipated efficiency of R & D investment project. To evaluate DCF or the present value of excess earnings, we forecast project economic life period, future cash flow streams or future excess earnings, and the cost of capital.
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