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That is not what I’m getting at at all. I’m referring to the changes in relative value of different advertising channels post GDPR.

• graeme 8y ago
  But the return on ads is based on absolute value, not relative value. It would be irrational to spend more on radio when radio doesn't change.
  • hshehehjdjdjd 8y ago
    I don’t know that ad budgets are allocated perfectly rationally. My understanding is that it more often works like: “marketing department, here is XX million. Do your best with it.” Add to that the lack of perfect information about impact and penetration, and it’s hard to determine absolute value.
    • graeme 8y ago
      Not perfectly. But over time they tend to go with what produced returns. But yes, I suppose in the short term budgets will be fixed and some may try radio etc again