This paper examines the patenting behavior of firms in an industry characterized by rapid technological change and cumulative innovation. Recent evidence suggests that semiconductor firms do not rely heavily on patents, despite the strengthening of US patent rights in the early 1980s. Yet the...

Recent research on financial market valuation of the knowledge assets of publicly traded firms is surveyed. The motivation for using a market value equation to price knowledge assets is discussed and the theory behind this equation is briefly presented. Then the empirical literature that relates...

A comparative study of the contribution of R&D to firm-level productivity in French and United States manufacturing firms in the 1980s is presented. The study uses two large panels of approximately 1000 manufacturing firms covering over half of all R&D spending in each country and focuses on the...

The elasticity of investment and R&D investment with respect to cash flow is unambiguously positive in a large panel of U.S. manufacturing firms from 1973 to 1987. even with proper controls for permanent differences across firms and for simultaneity. I argue that the evidence favors liquidity...

This paper uses a newly available dataset on the R&D performance of individual French manufacturing firms for the 1980s to replicate and update a series of studies on French R&D and productivity growth at the firm level during the 1970s. The focus of the paper is on the use of a single dataset...

The recent wave of corporate restructuring in the United States has been accused of shortening the investment horizons of U.S. managers. This paper surveys the empirical and case study evidence on restructuring and investment behavior and reaches the following conclusions 1) A large fraction of...

This document describes the panel of publicly traded United States manufacturing firms which was created and updated at the National Bureau of Economic Research from 1978 through 1990 within the Productivity Program. The panel consists of 2726 large manufacturing firms with one to twenty-nine...

This paper investigates whether the recent wave of corporate restructuring in the United States has had a negative impact on research arid development investment by industrial firms. Using a newly constructed sample of about 2500 manufacturing firms from 1974 to 1987, I examine three major...

This document describes the panel of publicly traded United States manufacturing firms which was created and updated at the National Bureau of Economic Research from 1978 through 1988 within the Productivity Program. The panel consists of about 2600 large manufacturing firms with three to...

It is widely thought that increases in corporate mergers and acquisitions of the sort which the United States has experienced in the recent past lead to a reduction in such long term investment activities as R&D because of a shortened horizon on the part of managers. This paper uses a newly...