Tradable White Certificates (TWC) schemes, also labelled Energy-Efficiency Certificates schemes, were recently implemented in Great Britain, Italy and France. Energy suppliers have to fund a given quantity of energy efficiency measures, or to buy so-called "white certificates" from other...

Using a large, original database of 385 politically connected firms under the Mubarak regime in Egypt, we document for the first time the negative impact of cronyism on economic growth. In the early 2000s, a policy shift in Egypt led to the expansion of crony activities into new, previously...