Geoff Cook, CEO Jersey Finance, said the research showed there was no "magic bullet" for instant success.

BBC: Geoff Cook

Geoff Cook, chief executive of Jersey Finance Limited, said it was encouraging Jersey had remained the top offshore financial centre.

BBC: Jersey falls eight places in Global Finance Centres Index

Geoff Cook, his coach at Durham, believes Harmison still has the ability to play at Test level, but he needs help from the national coaches.

BBC: Harmison vows to answer critics