In effect, a country that has been accorded MFN status may not be treated less advantageously than any other country with MFN status by the promising country.
It has been alleged that foreign exchange traders at some large financial institutions exchanged information about their clients' orders with a view to positioning themselves advantageously in the market.
Overtraining can be used advantageously, as when a bodybuilder is purposely overtrained for a brief period of time to super compensate during a regeneration phase.