Simon Kuznets' "Crime Kuznets Curve" (CKC), which has been inspired by the classic Kuznets curve (KC), could be a reflection of the traditional KC: inequality effects crime, and because inequality increases and then falls with income, there is an inverted-U relationship between crime and income. It has been shown that CKC exists for property crime and for categories of violent crime that can be related to economic appropriation, like robbery. However the inverted-U relationship is less robust for violent crimes not necessarily connected with economic incentives. As real income per capita grows crime rates first grow and then fall, effectively describing an inverted U-shaped relationship of the type suggested by Simon Kuznets in 1955 for the
