Growth in global advertising spend forecast to slow to 4.2% in 2017

The latest ad forecast to be published by marketing intelligence service, Warc, has taken a pessimistic turn amidst an expectation that global advertising spend will dip to 4.2% next year from 4.5% this year.
In the UK the slowdown is expected to be even more prominent with growth of 5.6% in 2016 expected to drop to 4.3% in 2017 although this would still rank the country in the top five performing nations and above the global average of 4.2% - despite Brexit jitters.
Ad budgets have come under g