Models of competition for the market with endogenous market structures show that, contrary to the Arrow view, an endogenous entry threat induces the average firm to invest less in R&D and the incumbent leader to…

Fixed cutoff dates regulating school entry create disadvantages for children who are young relative to their classmates. Early and late school enrollment, though, might mitigate these disadvantages. In this…

To address rising energy use and CO2 emissions, China's leadership has enacted energy and CO2 intensity targets under the Twelfth Five-Year Plan (2011–2015), which are defined at both the national and provincial…