A government review of the film industry is expected to recommend that public funding be directed towards projects which are likely to be commercial successes.
As arts editor Will Gompertz explains, the Prime Minister is said to be keen for Britain to generate more mainstream films which are not bankrolled by Hollywood.
British film director Ken Loach, speaking on the Today programme, says films should not be judged solely on the money they make.
"Success can come at all levels. You don't have to be a blockbuster to be successful," he said.
"People don't go into films to be entrepreneurs, they go into - like people who write books or make radio programmes - to be creative, to be original, to have wit."
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