COVID-19 ad ban in Germany led to 6% reduction in grocery sales

In spring 2021, during the height of the COVID-19 pandemic, one of Germany's 16 federal states instituted an ad ban, forcing retailers to stop all print advertising in that state for three weeks. The state did so under the ...

How measurable is online advertising?

Researchers from Northwestern University and Facebook in March published new research in the INFORMS journal Marketing Science that sheds light on whether common approaches for online advertising measurement are as reliable ...

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