Losses of value from causes outside the property itself.  For example, the value of a home could drop if a large apartment building is constructed on the next lot. Also called environmental obsolescence and external obsolescence.
Related information about economic obsolescence:
- Economic Obsolescence Definition
 Sep 6, 2006 ... A look at the definition of Economic (or Social) Obsolescence and its affect on the   value of real estate.
 
- What is economic obsolescence? definition and meaning
 Definition of economic obsolescence: Reduction in the desirability or economic   life of an asset caused by factors such as regulatory changes, technological ...
 
- Identifying and Quantifying Economic Obsolescence
 Economic obsolescence: You can't see it, you can't touch it, and you can't smell it   (at least most of the time), so how are appraisers supposed to quantify it?
 
- economic obsolescence - Financial Dictionary - The Free Dictionary
 A factor that reduces the value of an improvement because of something external   to the property itself. A well-built and well-maintained house may suffer ...
 
- Functional and Economic Obsolescence | The Truth About Realty.com
 Where you home is located, and how your home was built can lead to   obsolescence and a lower property value.
 
- economic obsolescence Definition | Business Dictionaries from ...
 This is a form of economic obsolescence that must be considered in the appraisal   of the property. Causes of economic obsolescence are numerous. Noisy or ...
 
- Economic obsolescence - NC Department of Revenue
 Sep 12, 2011 ... ECONOMIC OBSOLESCENCE. Gregg Martin and Dave Duty. Property Valuation   Specialists. North Carolina Department of Revenue. Property ...
 
- Functional Obsolescence and Economic Obsolescence ...
 industrial and commercial properties to experience economic obsolescence.   Taxpayer property owners should recognize such obsolescence in the valuation   of ...