Using confidential data on the foreign operations of US multinational firms, I examine innovation in the context of an unexpected policy shock that facilitated foreign tax arbitrage. I find that after the shock, US multinationals shifted more of their intellectual property and taxable income to...

Declining R&D intensities at the national level coincide with growing international technological links. Deviations of individual OECD countries from the average R&D intensity reflect differences in industry structure as well as in sectoral R&D intensity. At the same time, the sectoral...

Research efforts towards new energy sources and towards the efficiency of energy use will be vital to reducing CO2 abatement costs in the long term. Can such efforts be induced by price instruments? Economists often cite induced technological change as a possible consequence of environmental...