French growth slows in Q1 2018 with + 0.3% (non annualized) vs. 0.7% in Q4 2017. Carryover growth for 2018 is 1.2%.
Explanation : a more limited dynamics of business investment and a marginal contraction of exports. This is consistent with the inflection seen recently in the surveys.
My expectations for 2018 is 0.4% on average per quarter. The first quarter is consistent with this. The main point to look at will be surveys during this spring. But April was not a good start. See here