Experts believe the change could pose a problem to the English top flight with UEFA's new rules saying that from 2012 clubs in European competition will only be allowed to spend what they earn.
The report shows that the most rapid inflation in Premier League wages has been in the group of 13 clubs outside of the 'big four' - Arsenal, Chelsea, Liverpool and Manchester United - and the three newly-promoted clubs.
The situation in the Championship is particularly concerning with wage inflation outstripping revenue growth and annual operating losses having trebled in four years.