Most global corruption statistics are based on estimation, extrapolation, or generalisation. How plausible are they? We review ten of the most widely cited claims, tracing each to its source and...

Corruption is complex and resilient and there are limits to what anti-corruption interventions alone can achieve. Even incremental improvements are difficult to sustain. There is never a simple ‘yes’ or...

Donors and other funders are investing vast sums in interventions to mitigate climate change and help adapt to its consequences. Yet corruption within climate finance means goals may not be...