To examine the drivers of innovation, this paper studies the global R and D effort to fight the deadliest diseases and presents four results. We find: (1) global pharmaceutical R and D activity-measured by clinical trials-typically follows the 'law of diminishing effort': id est the elasticity...

This paper examines a country''s incentives for intellectual property rights (IPR) protection in a global trading environment. There is a time inconsistency problem intrinsic to IPR protection: ex ante strong protection is warranted to promote innovation, but once discovery takes place there is...

We quantify the effect of vaccinations on economic activity in the United States using weekly county level data covering the period end-2020 to mid-2021. Causal effects are identified through instrumenting vaccination rates with county-level pharmacy density interacted with state-level vaccine...

In weak intellectual property rights (IPR) environments, the imitation of proprietary technology by domestic firms has become a deterrent for foreign investment. Different multinationals may view this deterrent differently. This paper develops a model where firms with more technology are less...

This paper extends the q-theory of investment to model explicitly the decision of firms to invest in intangibles and measures the contribution of intangible goods to the overall capital stock in the U.S. The model highlights the embodiment of intangible goods in tangibles and the role of...

This paper studies the welfare consequences of a government regulation that forces a patented equipment to be supplied by a number of independent producers. On the one hand, such a regulation hurts the value of a patent and therefore reduces activities in the R&D sector. On the other hand, the...

This paper constructs a data set to document firms'' expenditures on an identifiable list of intangible items and examines the implications of treating intangible spending as an acquisition of final (investment) goods on GDP growth for Canada. It finds that investment in intangible capital by...