We present a standard model of financial innovation, in which intermediaries engineer securities with cash flows that investors seek, but modify two assumptions. First, investors (and possibly intermediaries) neglect certain unlikely risks. Second, investors demand securities with safe cash...

We examine the productivity of informal firms (those that are not registered with the government) in 24 African countries using field work and World Bank firm level data. We find that productivity jumps sharply if we compare small formal firms to informal firms, and rises rapidly with the size...

Gary Becker, who died on 3 May 2014 at the age of 83, redefined economics both in its methodology and scope. He radically expanded the sphere of economic analysis. As the range of issues and especially data in economics increased over the last half century, Becker's approach became more and more...

Better-educated countries have better governments, an empirical regularity that holds in both dictatorships and democracies. Possible reasons for this fact are that educated people are more likely to complain about misconduct by government officials and that more frequent complaints encourage...

We present a theory of context-dependent choice in which a consumer?s attention is drawn to salient attributes of goods, such as quality or price. An attribute is salient for a good when it stands out among the good?s attributes relative to that attribute?s average level in the choice set ðor,...

We use several data sets to consider the effect of teaching practices on student beliefs, as well as on organization of firms and institutions. In student level data, teaching practices (such as teachers lecturing versus students working in groups) exert a substantial influence on student...

Efficient legal rules are central to efficient resource allocation in a market economy. But the question whether the common law actually converges to efficiency in commercial areas has remained empirically untested. We create a data set of 461 state court appellate decisions involving the...

We investigate the determinants of regional development using a newly constructed database of 1569 sub-national regions from 110 countries covering 74 percent of the world?s surface and 96 percent of its GDP. We combine the cross-regional analysis of geographic, institutional, cultural, and...