Accessibility has for many years been a widely used tool in transportation research. Many definitions have been suggested and researchers have constructed numerous mathematical formulations to measure its value to be able to evaluate the relationships between the nature of the transport systems...

The paper studies innovative performance of 130 Swedish corporations for 1993-94, using number of patents per corporation as a function of internal and external knowledge sources to the corporation. A coherent way of handling accessibility measures, within and between corporations located across...

This paper attempts to explain knowledge production in Swedish functional regions as measured by the number of patent applications. Recognizing that technological opportunity differs across sectors, a sectoral analysis is conducted. The Knowledge Production Function (KPF) approach is applied in...