Understanding corruption is at the heart of treating the dysfunctionality of many countries’ public sectors. Yet, most corruption research suffers from one common problem: There is no “objective” measure of public-sector corruption for a cross-section of countries. Most studies on the...

Most studies find little to no effect of classroom computers on student achievement. We suggest that this null effect may combine positive effects of computer uses without equivalently effective alternative traditional teaching practices and negative effects of uses that substitute more...