Income inequality and its effects has become a pressing concern for politicians across the political spectrum. But what makes people sit up and take notice of the inequality that may surround them? In new research which focuses on income diversity in New York, Scott Minkoff and Jeffrey Lyons find that those who live in areas with a greater diversity of incomes are more likely to perceive that there is a larger income gap compared to those who live in areas which tend to be generally poor or generally wealthy