Back in mid 1980’s the front door of a new condo conversion at One Tompkins Square Park was spray painted with words “Die Yuppie Scum” and it became the battle cry for protests against gentrification of the East Village. With the eastward push of new residential development in the 1980s from the West and Central Village, residents and local businesses worried about being priced out and losing the intangibles that made the neighborhood unique – and that they would disappear along with it.
I remember appraising apartments to the east of Tompkins Square Park, seeing squatters inhabit derelict buildings, observing a burned out school bus on blocks in front of a newly converted walk-up and the self-described “Anarchists” in the park. All that is gone.
Merriam-Webster defines gentrification  as:
the process of renewal and rebuilding accompanying the influx of middle-class or affluent people into deteriorating areas that often displaces poorer residents
Philadelphia is one of the first cities to tackle the issue  in an attempt to keep the long time residents there and in doing so, helping to minimize the loss of the character of the neighborhood. It is fascinating and encouraging to see city governments be proactive on the issue since it costs money in the short term.
The initiatives, planned or underway in Boston, Philadelphia, Washington, Pittsburgh and other cities, are centered on reducing or freezing property taxes for such homeowners in an effort to promote neighborhood stability, preserve character and provide a dividend of sorts to those who have stayed through years of high crime, population loss and declining property values, officials say.