In many biological and other scientific applications, predictors are often naturally grouped. For example, in biological applications, assayed genes or proteins are grouped by biological roles or biological pathways. When studying the dependence of survival outcome on these grouped predictors,...

Expectations are high, but evidence of the impact of microcredit remains in short supply. This article estimates the impact of an urban credit programme in Zambia on business performance and on a range of indicators of wellbeing. Borrowers who obtained a second loan experienced significantly...

Many microfinance institutions claim to be oriented to a double bottom line, but while methods of financial performance assessment are widely agreed the same cannot be said about social performance. Monitoring social performance is most useful when it reveals variation in both outreach and...

Social assistance has attracted renewed interest in countries where economic growth is doing too little on its own to address high levels of income inequality and poverty. Research into the material effects of such programmes is important but can be misleading if it fails to capture their full...

What does talk of wellbeing offer international development? Four possible answers are explored. First, it offers discursive space for analysing conflicting policy priorities to the extent that they are based on different assumptions about what it means for a person to 'be well' and about how...