a measure of technology that isolates sources of innovation and their contributions to domestic TFP. Within …-industry innovation enhances domestic productivity, and domestic between industry innovations are productivity enhancing. However, foreign …-sourced between-industry innovation has a negative effect on domestic productivity. This highlights the dual aspect of patents as a …

contribution by Lichtenberg (2004), which relates longevity in the United States to pharmaceutical innovation and public health …

I examine the effects of FCC regulation on the innovation and introduction of advanced telecommunications services in … the U.S. An interim of lighter regulation provides an experiment to test the regulatory regime''s impact on innovation …. The econometric model comprises an arrival process (for service innovation) followed by a duration process (for regulatory …