What if global growth proved surprisingly strong in 2019?

Various forecast ers have revised steeply downward s their forecasts for global growth in 2019, probably due to the severe deterioration in the global economic cycle at the end of 2018. But will we not now have to revise upward s the global growth forecasts for 2019? This is because: Monetary policy is very expansionary, which prevents a debt crisis from occurring; Fiscal policy is expansionary; There is no asset price bubble; There is much talk of a trade war, but global trade is growing fairly rapidly .