This paper proposes a theoretical framework for studying the invention of new products when demand is uncertain. In … this framework, under general conditions, the threat of ex post entry by a competitor can deter invention ex ante … operating system monopolist, by its mere presence, can deter the invention of complements, to its own detriment as well as that …

Patent citation data are used in a growing body of economics and business research on technological diffusion. Research … diffusing outward from the patenting entity. Until now, there exists little evidence on whether or not patent citations are a … good measure of knowledge flows. Our paper assesses the legitimacy of using European patent citations as a measure of …

and process innovations to the value of patent protection. This model and the feature of the data imply the estimation of … issue, we build a model in which the value of an innovation depends both on the type of innovation implemented (product …, process) and on the existence of a patent protection or not. We obtain a three-equation model that links the values of product …

some measure of resource-intensity. This is problematic as GDP counts natural and other capital depreciation as income …. Deducting depreciation from GDP to arrive at genuine income, we test whether the ‘curse’ still holds true. We find supporting …

This paper examines industrial differences in depreciation rates and the suitability of financial data for a … microeconomic analysis. Depreciation is a main source of enterprise investment and serves as a source for replacement of obsolete or …

are taken into account. The paper proposes a theory of innovation and market structure, showing that the relation between … innovation and competition depends on horizontal spillovers, vertical spillovers, and cooperative settings. The private …