The Book of Yields by 
The Menu and the Cycle of Cost Control 5th ed. by For students to research and understand the demographics and community geographics for a current restaurant concept.
Visit these guides for additional information.
These sources can help you determine economic growth or decline for the United States. An Internet search can include open/closure rates for businesses or foreclosure rates in an area.
You can obtain demographic, economic and consumer behavior data by visiting the Chamber of Commerce or economic development office of the city in which your restaurant is located or you can use the web sites listed below.
