What are SDRs and how do they help the economies of IMF members?

The fund started distributing SDRs worth $650bn this week, which will help add to liquidity buffers and foreign currency reserves of low-income countries

A man with his smartphone in Abidjan, Ivory Coast. The IMF is disbursing a total of $21bn of SDRs to low-income nations but some African countries are getting allocations that are large relative to their GDPs. AFP