Richard Wilkinson and Kate Pickett present some hard evidence to show how many measuress of wellbeing (including life expectancy, mental illness, violence, illiteracy) are not related to how wealthy a society is, but to how equal it is.
Their work is based on years of research presented in their groundbreaking book The Spirit Level: Why Equality is Better for Everyone
To read more about the authors and the topics discussed in this talk visit: The Equality Trust
This talk was filmed at Dartington during the Dartington Interrogate Festival 2011