A story in Thursday’s edition of MDN (“
IPG's Magna Slashes 2017 Ad
Expansion: Cites 'Slowdown,' Weak Economic Indicators”) incorrectly compared Magna Global June 2017 estimates based on nominal growth (including effects of 2016 cyclical ad spending events
such as Olympics and elections) with its March 2017 “normalized” estimate excluding those events. The actual downward revision on an apples-to-apples nominal basis was down three-tenths of
a point to a growth rate of 3.4% and on a normalized basis of two-tenths of a point to 1.6%. The original story has been updated and links to this correction.
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