In most information systems, the requirements specification is the primary risk factor. The effect of poor requirements on the success of the information system increases with the size of the information system. Small systems can succeed in spite of poor requirements, whereas there is much less chance of a large system succeeding with poor requirements.
Quantitative Financial Information Systems (QFIs) are some of the most complex information systems. From handling the modeling of financial instruments such as stocks, bonds and derivatives to allowing traders to make sophisticated decisions based on complex financial models, QFIs provide the fundamental support for the trading desks of banks, hedge funds and other financial institutions.
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