Pessimists are predicting a global crash in 2020. You can see why

Forecasters may be anxious not to be caught out, as they were by the 2008 recession. Nonetheless, the signs look ominousThere is a tendency for institutions that missed the warning signs before the last financial crisis to over-cook their doomsayer’s warnings as they consider the potential for another one.The International Monetary Fund leads a group of gloomy forecasters that worry about the stability of the global economy amid rising debt levels and slowing GDP growth. How long, they ask