I love the insight of this paper: The Grass Isn’t Always Greener: How Crime Influences
Property Values Near Urban Greenlines by Jason De Freitas, Fatemeh Kamkar, Mark Sunderman,Velma Zahirovic‑Herbert.

Instead of the simple reasoning that green spaces are always good and crime is always bad (which I guess it is), that combination of two neighborhood amenities in close proximity exacerbates the negative effects of crime rather than neutralizing them.
Features of neighborhoods don’t exist in isolation but reflect or meld with other components. Thus, a meaningful analysis is achieved through matrices.
