He added that recent behaviour by egg provides evidence that providers may be reviewing their business.
"The move that egg has made has not been directly [to] target what you might call people who potentially could get into debt; they're targeting people who don't actually spend on their cards," he explained.
However, he also claimed that such a move was actually costing the company money rather than making them any.
Recent research released by MoneyFacts.co.uk found that more than 125 separate credit card fees and rates increased after the credit crunch.
The findings also revealed that 69 card providers had increased their fees for making a cash withdrawal.
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