The contributions of public libraries to overall literacy, to helping people with special needs, to supporting the efforts of K schools, to providing community gathering space, and to supplying data needs of big and small businesses are additional and valuable contributions to the state economy p. See more LibraryJobline. Skip to main content. Nearby businesses report increases in spending associated with visitors to the Central Library. Check out our Fast Facts, which highlight research and statistics about various library topics. While the ROI figures vary widely from county to county, they demonstrate how even a small investment yields an extremely high value to the community. Fast Fact Reports Looking for a quick rundown of library research?