This article proposes a trade restrictiveness quantity index (TRQI) to measure the welfare impact of trade restrictions based on a distance functions approach. The TRQI embodies two Farrell measures of efficiency - respectively for producers and consumers - that can be computed using standard...

In many countries, non-compliance with minimum wage legislation is widespread, andauthorities may be seen as having turned a blind eye to a legislation that they havethemselves passed. But if enforcement is imperfect, how effective can a minimum wage be?And if non-compliance is widespread, why...