The headline number hides the real problem
Blended media inflation across the South African market sat at 8.4% year-on-year through the second quarter. That figure is accurate and almost useless, because nobody buys the blend. What matters is that the inflation is wildly uneven: prime broadcast television moved close to 12%, commercial radio held around 6%, and several digital inventory classes were effectively flat or deflationary once you adjust for viewability.
If your plan is weighted the way most South African plans are weighted, you are absorbing the top of that range rather than the average. A flat budget against a 12% prime TV increase is a real-terms cut of roughly one-eighth of your most expensive reach.
Where the increases actually came from
Three forces are doing most of the work. Supply contraction in premium broadcast is the largest: fewer high-rating properties chasing the same demand from the same handful of heavy categories. Second, the rand's import cost pass-through on production and international content rights has pushed station cost bases up. Third, and most quietly, is the shift in how audience guarantees are structured after the last establishment survey revision.
That last one is where a lot of advertisers lost money without noticing. When the universe estimate changes, a rate card that looks unchanged can still deliver materially less audience per rand. The rate held. The price of a rating point did not.
The three levers that actually recover reach
First, daypart arbitrage. The inflation is concentrated in prime. Shoulder and late-fringe inventory has moved far less, and for most brands the incremental reach from a well-built shoulder schedule is closer to prime than the rate difference suggests. We have consistently recovered four to six reach points on flat budgets doing nothing more sophisticated than this.
Second, channel substitution at the margin. Community radio and regional inventory remain the most underpriced reach in the country relative to their delivery. You are not replacing prime television with community radio, but you can rebuild the frequency floor much more cheaply and redirect the saving into the reach layer.
Third, flight reshaping. Most plans are still built as bursts because bursts are easier to sell internally. Pulsing the same money holds a similar average pressure across the year because you stop paying repeatedly to rebuild memory that had not fully decayed.
What we would not do
We would not chase the inflation by cutting the reach layer to protect frequency. That is the most common response and it is backwards: frequency against a shrinking base compounds waste. If something has to give, give up frequency and hold the base.
We also would not treat the digital deflation as free money. Cheap impressions in a poorly-verified environment are not cheap reach. Price the inventory on verified attention, not on the CPM in the platform interface.