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| (124) | In most cases the infringement at issue concerns the cost of an input which constitutes just one component of the purchaser's marginal cost. If the input affected by the infringement constitutes only a very small fraction of the marginal cost, even a significant increase in the cost of that input may hardly be detected in the purchaser's price data, even if it is passed on in full. Although an alternative approach may be to estimate the passing-on rate based on changes in costs of more significant inputs and not just the cost of the affected less significant input, such an approach comes at the price of an assumption that may go too far, namely that the marginal cost increases are being passed on at an identical rate irrespective of the source for the cost increase. Moreover, if a comparator-based method, i.e. actual price based estimation, finds no statistically significant passing-on this can be considered as evidence supporting the hypothesis that no passing-on actually happened. In other words, the finding that there was no passing-on on the basis of the comparator-based method is neither a valid nor a sufficient argument, as such, to adopt a passing-on rate method.

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Source: EUR-Lex (Cellar) · retrieved 2026-09-25 · Text as adopted (Official Journal); later amendments are not incorporated in this text.