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The Economics and Econometrics of Innovation
During the past few decades, the interest of economists in the sources of long-term economic growth has led an increasing number of them to focus on the role of innovation in creating that growth. Although some researchers have always been interested in this topic, the groundbreaking work of Solow (1957), Nelson (1959) and Arrow (1962) made many other economists recognize the central role played by innovation in almost all spheres of economic activity. The Economics and Econometrics of Innovation presents a valuable overview of the work of the world's most renowned experts in the field of innovation and technical change. It collects 22 outstanding contributions that reflect the results of th...
Using Employee Level Data in a Firm Level Econometric Study
In this paper, we make the general point that econometric studies of the firm can be effectively and substantially enriched by using information collected from employees, even if only a few of them are surveyed per firm. Though variables measured on the basis of the answers of very few employees per firm are subject to very important sampling errors, they can be usefully included in a model specified at the firm level. In the first part of the paper, we show that in estimating parameters of interest in a regression model of the firm, the biases arising from the sampling errors in the employee based variables can be assessed, as long as we have a large enough sub-sample of firms with at least...
Productivity and R & D at the Firm Level in French Manufacturing
In a companion study to that of Griliches and Mairesse for the United States, we have investigated the relationship between output, labor, and physical and R & D capital during the 1972-1977 period for a sample of 182 R & D performing firms in the French nnufacturing industries. Our results are quite comparable to those obtained for the U.S. The relationship between firm productivity and R & D appears both strong and robust in the cross-sectional dimension of the data; it is less so in the time dimension. However, the within-firm estimates are still significant and of a likely order of magnitude. In this respect, they are more satisfactory than the U.S. ones. We show that this is largely due to a better measurement of the variables: (1) the fact that we can use a value-added measure of output instead of sales (or equivalently that we include materials among the factors of the production function); (2) the fact that we can correct the measures of labor, physical capital and output for the double counting or expensing out of the labor, capital and materials components of R & D expenditures.
Productivity, Inequality, and the Digital Economy
Essays on the computer and the economy, particularly in relation to employment rates and to wage inequality. The widespread diffusion of information and communication technologies (ICT) has had controversial, seemingly paradoxical consequences. ICT are viewed as driving growth and employment in the United States, while contributing to European unemployment and the so-called Eurosclerosis. At the same time, both the United States and Europe have seen increased wage inequalities between skilled and unskilled workers.This book explores the computer's puzzling effects on the economy, at both the micro and macro levels. The contributions include data from field work, small samples of firms, and national surveys of management practice; econometric studies; and macroeconomic theoretical analysis.
Productivity Issues in Services at the Micro Level
7 take advantage of the panel structure of their data to control for possible errors of specifica tion in their models. It is interesting to note that the econometric and DEA methods may be closer than some of their respective advocates seem to believe. Several of the studies show that the former as well as the latter can be effectively used to assess the relative effi ciency of groups of firms or individual firms, and one of them explicitly compare results arising from both (Fecher et al.). Econometric techniques can also be nonparametric and applied to estimating cost or production frontiers (and not only "average" functions), while ultimately DEA should be amenable to statistical inference. Perhaps the most valuable feature of all the analyses is their care and ingenuity in putting together the data, measuring variables, and pulling out relevant information. Many of them are not content with an overall output measure, but endeavor to manage with less aggregated measures. Nearly all also include in the estimated models a number of auxiliary variables intended to control for specific attributes of outputs, inputs, or production techniques, and other characteristics of firms.
Empirical Studies of Innovation in the Knowledge Driven Economy
"This introduction to a special issue of EINT surveys a collection of ten papers that study various aspects of innovation and knowledge management and their impact on performance at the firm level for a number of countries. These studies have been conducted using data drawn from innovation surveys combined with data from a number of other sources. The issue illustrates the value of these surveys in improving our understanding of innovation in firms and raises a number of questions for future work in this area"--National Bureau of Economic Research web site.
Comparing Productivity Growth
This paper compares and analyzes the growth of productivity in the manufacturing industries and firms in France and the U.S. based on newly assembled comparable data sets in both countries. Three explanations of the recent productivity slowdown are reviewed: shortfall in physical investment, rise in materials prices, and a decline in the intensity or fecundity of R&D investment, and found not to bear on the differences in productivity growth between and within the two countries, either at the industry or the firm levels.
Computers and Productivity in France
In this paper, we make a first attempt to explore the relationship between computer use and productivity in French manufacturing and services industries. We match information on computer utilization in the work place collected at the employee level in the years 1987, 1991 and 1993, with information on firm productivity, capital intensity and average wage available at the firm level. Being based on the answers of very few interviewed employees (only one for 75% of the firms in our samples), our measure of firm computer use is subject to important sampling errors, and hence our estimates of computer impacts are largely affected by random errors in variables downward biases. Nonetheless we find coherent and persuasive evidence that the computer impacts on productivity are indeed positive and that the returns to the firm should at least be in the same range as the returns to the other types of capital. We also show that the sampling errors in measurement biases can be assessed, and we make the general point that econometric studies of the firm can be effectively and substantially enriched by using information collected from workers, even if very few of them are surveyed per firm.
Patent Intensity and Economic Growth
A theoretical critique of the patent and innovation policy funnelled by intellectual property instruments towards developing countries.
