Valuation Resources for Business Appraisers  (great starting place)

 

Washington University Dept. of Economics  (one of the most complete listings for economic sites)

 

Bureau of Economic Analysis

 

Bureau of Labor Statistics

 

Accredited in Business Valuation

 

American Society of Appraisers

 

American Institute of CPAs

 

Institute of Business Appraisers

 

National Association of Certified Valuation Analysts