While poverty has long been recognized as an indicator for such social ills as crime, obesity, teen pregnancy, Wilkinson and Pickett have demonstrated that societal well-being bears no relation to per capita income. They’ve also found that the symptoms of inequality trouble all levels of society. Across the board, mental health, levels of violence and addiction, even life expectancy are affected by the psycho-social stress caused by income gaps and status anxiety.
He says: "While I’d always assumed that an equal society must score better on social cohesion, I never expected to find such clear differences between existing market economies."
"If you follow the rule of thumb that no book on a matter of political controversy is worth buying until it has been roundly denounced, then "The Spirit Level" is an essential purchase."
Nick Cohen, The Observer