Read the winning report here

The joint winning prize went to Seven colleagues at the London Economics consultancy, all in their twenties, developed their entry in their own time for many weeks before all their managers discovered why they were staying so late. Team members have previously worked or studied across Europe, including the Czech Republic, Poland, Switzerland and France.

The video speakers are Romain Esteve, Dano Meiske and Nick Robin

The full team is: Romain Esteve, Martin Kabrt, Agata Makowska, Dano Meiske, Nick Robin, Farooq Sabri and Rhys Williams

Watch: Decentralising Britain - IPPR Economics Prize winners