According to Neighborhood Succession Theory, in a Mature Fully Built

According to Neighborhood Succession Theory, in a mature fully built up) neighborhood:

A) Location value tends to grow steadily over time in real terms net of inflation) .
B) Location value tends to decline steadily over time in real terms.
C) Location value tends to remain about constant in real terms unless there are substantial changes in the city, under which case value might go in either direction.
D) Location value is determined purely by the average income of the residents.