dispatches for more severe injuries, dispatches for minor injuries rose sharply after the implementation of the ACA. By contrast …

Yearly Progress. While the federal government's legislation provided a framework for NCLB implementation, it also gave states …% across states. In this paper, we explore how states' NCLB implementation decisions affected their schools' failure rates … characteristics like enrollment size, grade span, and ethnic diversity. Subtle differences in policy implementation led to dramatic …

trend level of output. Contrary to the result for cyclical fluctuations, we find that comovement of shocks to trend levels …

We model early expectations about the value and technological importance ('quality') of a patented innovation as a …

relating to patenting, robust conclusions regarding the empirical consequences for technological innovation of changes in …

fertility of an innovation in generating more innovations cannot be observed. The menu of patent scope can be implemented with …