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…

In Deutschland gilt die gesetzliche Schulpflicht für Kinder mit Erreichen des sechsten Lebensjahres. Die Einschulung gemäß dem feststehenden Stichtag im August oder September führt jedoch dazu, dass manche…

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…