That depends on why your neighbors are richer, and how localized the efforts were. For example, if your neighbors are richer because they've been developing fo

That depends on why your neighbors are richer, and how localized the efforts were. For example, if your neighbors are richer because they've been developing food infrastructure, it's quite possible that your grocery bill has actually gone down, because food is more accessible and cheaper thanks to their efforts. If we're just talking about one neighborhood, this is unlikely. But if we're talking about an entire economy, the poor people are quite likely to benefit as long as the wealth has come from developing the economy.