Back in 2007, the New York Sun ran an article with the title Retailers So Far Fail To Follow Homebuyers to North Crown Heights. From the article:

While homebuyers see the area’s potential, new businesses are proving harder to attract. Along Nostrand, for example, many stores have old facades and rundown signs. Graffiti covers the security gates over the storefronts. While heavy on nail and hair salons and barbershops, the commercial strip lacks basic services such as a bank branch. “People are buying nice homes and spending good money and there are no services,” a project coordinator for the North Crown Heights Merchants Association, who is a sales agent with Prudential Douglas Elliman Real Estate, Barbara Brown-Allen, said. “They don’t know the spending power that’s here.”

A year and a half later, the blog Nostrand Park decided to try to put some numbers to that assertion by doing a store-by-store analysis of the retail options on Nostrand Avenue between Eastern Parkway and Atlantic Avenue. The five most represented categories were Hair/Braiding Salons (13%), Variety Shops (11%), Caribbean Take-Out (10%), Bodegas/Delis (8%) and Nail Salons (5%). On the flip side, the survey found that there was not a single dine-in restaurant, café, book store or art store on the entire strip.
Nostrand Avenue North Retail Survey [Nostrand Park]
Photo by filmlynx