Several trade-based measures of product variety have recently been used implicitly to represent states of technology …, promoting long-run growth. In this paper, we define the state of technology as the range of specialised production processes and … propose the variety of capital goods available for production as a direct measure of technology. Within a simple growth …

the state of technology. The hypothesis is tested with highly disaggregated trade data, using tools from the income … between productivity and several trade-based measures of product variety, carrying the implication that these measures may … represent technology. We study this implication by explicitly proposing the variety of capital goods available for production as …