BusinessModeling does not appear to be within the portfolio of StrategicManagement in many companies, even though all companies have a "Business Model" they rely on, for their continued existence.
One exception seem to be the Finance sector. In the world of Wall Street high finances, lots of physicists are engaged in FinancialModeling?.
Many of us would readily concur with the AllAbstractionsLie statement, but to dismiss the utility of something that is obviously flawed can be worse. It is like dismissing weather reports altogether because they are often wrong.
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The real question is ..., and how useful is it regardless of its validity
ThinkingOutLoud Re "EditHint: Merge with BusinessSystemsAnalysis"
BusinessModeling may have nothing to do with BusinessSystemsAnalysis
Resources related to BusinessModeling
Currently the NextBigThing in BusinessModeling is through this BusinessProcessModelingNotation (BPMN) technique, some "visionaries" have been blogging about the demise of BusinessProcessExecutionLanguage in early 2006.
Another technique, with less connection to the realm of Computing, did the ValueStreamMapping? (did the ValueStream concept predate VSM technique?).
Resources
Categorization of StrategyDevelopment? approaches (10) originated from the Sloan School at http://www.1000ventures.com/business_guide/mgmt_inex_stategy_10schools.html