Can high-brand companies get away with selling substandard products?

Can high-brand companies get away with selling substandard products?Some informations should be gathered with questionnaires or survey for the collection of real data.
There should be some quantitative analysis done for the real data(e.g pie,bar,trend chart).
Must cite some latest academic literature in the paper, especially some academic literature that is published in some top international journals.
Conclusion should find some problems and give some advice.
Paper should have normative format.

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