European stocks have fallen after a Greek minister said that Athens would struggle to meet its upcoming debt payments.
Nigerian businesses are crippled by a severe fuel shortage with banks closing early and flight cancellations ahead of Friday's presidential inauguration.
China will cut import taxes on consumer goods by an average of more than 50%, in a bid to kick-start its economy.
The impact of economic crises on everyday lives
Why UK output is even lower than that of Italy's
How Mexico's car industry is ramping up
From murder capital to tourist attraction
What is the best way to calculate inequality?
What firms really think about the UK leaving the EU
Inequality is increasing in Britain again, says the OECD, as it argues that economic growth would be promoted by policies to narrow the gap between rich and poor.