Over the last decade, Poland has seen a wave of Turkish immigrants who have had to actively look for an economic niche for themselves.

There were not many full-time economic niches available, a fact that galled the Heinleiners no end.

New York State's 20-year-old bottle-deposit law was environmental legislation that only spilled over accidentally into this odd economic niche.

Small towns, therefore, occupied a defined economic niche, even if it is but imperfectly understood.

Small businesses spot economic niches, even new industries, remarkably quickly.

For the first time, blacks in New York had found and exploited an economic niche all their own.

That's her economic niche: beating the traffic.

This was an incredibly profitable economic niche on the frontier.

She said immigrants filled no special economic niche.

The frontier situation in both areas also allowed the Chinese to carve out economic niches for themselves.