This series spans the globe presenting leading research in economics. International applications and examples of economic progress are invaluable in a troubled world with economic booms bursting like so many penny balloons. Topics discussed include an assessment of the econometric methods for program evaluation and a proposal to extend the difference-in-differences estimator to dynamic treatment; bank market power and economic volatility; mineral resources governance, the U.K. petroleum fiscal regime; enhancing GDP growth and employment: from unproductive public expenditures towards human capital investment; environmental taxes for efficient waste management; the use of distance-based logistic regression in credit risk; generalization to the modified GHG intensity universal indicator toward a production/consumption insensitive border carbon tax; experiences contributing to unemployed youth’s work commitment in Hong Kong; why men and women still work in different occupations; and foreign human capital and integration in a city-state.