I do not count myself as one of Jamie Oliver’s army of fans, but after looking at the chirpy chef’s antics through the eyes of an economist, I am starting to acquire a grudging respect for him. Yes, the recipe books are all but unreadable, but his “school dinners” campaign has been surprisingly successful.
Oliver’s mission to persuade schools to serve healthier lunches – and get children to eat them, and stubborn mothers not to stuff chips through the school railings – became a national phenomenon in 2005. Tony Blair and David Cameron fell over themselves to jump on the Naked Chef’s bandwagon, and soon everyone in the country had an opinion on the campaign.
What caught the attention of Michele Belot and Jonathan James, though, was the way Oliver’s project had been implemented. Belot and James – economists at Nuffield College, Oxford, and at the University of Essex respectively – noted that the campaign had created a near-perfect experiment. The chef had convinced Greenwich’s council and schools to change menus to fit his scheme; he mobilised resources, provided equipment and trained dinner ladies. Other London boroughs with similar demographics received none of these advantages – and indeed, because the programme wasn’t broadcast until after the project was well under way, probably knew little about it. The result was a credible pilot project. It wasn’t quite up to the gold standard of a randomised trial, but it wasn’t far off.
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