Random allocation is an important feature of experiments designed to assess the effects of interventions: it ensures that, in respect of measured and unmeasured factors of prognostic importance, the comparison groups generated will differ only by chance. It has been asserted that random...

In this study, we estimate the input-output relationship between R&D investment and the number of patents granted to Korean firms by the US Patent and Trademark Office and the Korean Intellectual Property Office. Using pooled panel data and time-series data, we also examine the influence of the...

Anecdotal evidence suggests that producers of information products (TV programs, movies, computer software) may respond to potentially cost-saving technological change by increasing, rather than reducing, their total production investments in the 'first copy' of each product, possibly at the...

We develop a theoretical model in which the sophistication of technologies improves over time due to research and development (R&D) undertaken by software developers in two sectors. In the commercial sector, R&D intensity is driven by economic incentives, whereas in the sector using the General...