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Keen to impress their bosses, officials in this top-down system inevitably opt for a "short-termist" approach that sacrifices genuine improvement over time for quick fixes, Mr Dreyer explains.

The boss of Asda has warned there is no "quick fix" to boost the supermarket’s flagging sales as it tries to win back customers from rivals.

He said it was a "quick fix" and rehabilitation was the "long game".

"Any quick fix is a dirty deal," said the European Union foreign policy chief Kaja Kallas of the prospect of a US-led deal with Russia that might leave Ukraine's voice on the sidelines.

There will be no quick fix for Gatland's successor, but a fresh face might lift the negativity.