Many state public commissions have deregulated their utility markets. However, evidence of welfare or efficiency improvements under deregulation is ambiguous. It is also unclear why different states adopt consumer choice, price caps, sliding-scale plans, or retain rate-of-return regulation. This...

This study exploits unprecedented access to income data and a combination of newly developed statistical methods to evaluate income inequality in Egypt and test for potential top incomes biases. Income inequality in Egypt is found to be low by regional and world standards; top incomes are found...

Korean employers screen job applicants’ detailed personal backgrounds with the intent to discriminate among them. This study develops a statistical model of employers’ problem in recruiting, and identifies a hierarchical process whereby employers screen applicants’ personal characteristics...

The success rate of invasive species control programmes is usually inferred from the species identification record. However, identifications may not happen concurrently with species introductions. Some species prevented from arriving also remain undetected by authorities. This study accounts for...

By all accounts, income inequality in Egypt is low and had been declining during the decade that preceded the 2011 revolution. As the Egyptian revolution was partly motivated by claims of social injustice and inequalities, this seems at odds with a low level of income inequality. Moreover, while...

Introductions of nonindigenous organisms into the United States have been linked to international trade. The individual contributions of imports, immigration, and international travel, however, are poorly understood because introduction dates are unavailable. We examine relationships between...

By all accounts, income inequality in Egypt is low and had been declining during the decade that preceded the 2011 revolution. As the Egyptian revolution was partly motivated by claims of social injustice and inequalities, this seems at odds with a low level of income inequality. Moreover, while...