Publicis Groupe chief's sharp defense of its 'cost of living' bonus for employees comes after Sorrell claimed the payout merely attempted to make up for lost incentives during Covid.
CEO said in Campaign interview that group 'held our margin back a bit' to invest in staff and IT.
Financial results have now been published having been postponed twice.
The industry has some strong opinions after the big agency holding companies reported strong 2021 financial results that eclipsed 2019 levels.
Revenues are growing again and size matters, including for clients and investors, Gideon Spanier says.
Share price rises close to its highest level since pandemic.
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