Wilkinson : Evidence confirms that inequality causes social problems . Social ills in U.K. , U.S. can be 18 times greater than in more equal countries . A more detailed but readable presentation of the evidence can be found in our book , `` The Spirit Level , '' which I wrote with Kate Pickett , who is , like me , an epidemiologist . When there 's more inequality , people become desperate for higher social status , he says . Richard Wilkinson : Children trained either for world of constant struggle or for cooperation .
Wilkinson : Evidence confirms that inequality causes social problems . Social ills in U.K. , U.S. can be 18 times greater than in more equal countries . When there 's more inequality , people become desperate for higher social status , he says . Richard Wilkinson : Children trained either for world of constant struggle or for cooperation .