What are the potential effects of gentrification on the economy and current residents of the neighborhood?

 What are the potential effects of gentrification on the economy and current residents of the neighborhood? NIMBY (Not In My Back Yard) protests occur when concerned citizens band together to speak up against something that will impact them negatively. Who is more likely to be involved in NIMBY protests and where do they occur? Give an example of a NIMBY protest and whether you support it or not.