Bronwyn H. Hall

A “patent box” is a term for the application of a lower corporate tax rate to the income derived from the ownership of patents. This tax subsidy instrument has been introduced in a number of countries since 2000. Using comprehensive data on patent filings at the European Patent Office, including information on ownership transfers pre‐ and post‐grant, we investigate the impact of the introduction of a patent box on international patent transfers, on the choice of ownership location, and on invention in the relevant country.

We analyze the effect of patent thickets on entry into technology areas by firms in the UK.

Measuring the private returns to R&D requires knowledge of its private depreciation or obsolescence rate, which is inherently variable and responds to competitive pressure.

This paper presents some empirical evidence on the effects of innovation on employment growth and therefore on Italian firms' productivity with the goal of understanding the roots of their poor performance.

The role of financial institutions and corporate governance in the conduct and performance of industrial firrm, especially in the area of technological innovation and international competition has been hotly debated in the recent past.

We review the changes in modelling strategy and econometric methodology when estimating a firin-level investment equation on panel data during the past twenty years, in order to assess which of these changes result from new estimation methods and changes in the practice of panel data econometrics, and which are "real" and due to the evolution of the economy.