If the business model is predicated on the trading of financial instruments for the realization of value, or other strategies that essentially focus on short-term price movements, then fair value has relevance. In the trading business model, reporting fair value focuses risk management on short-term price movements and in most cases incentivizes management to define the organization's risk appetite and to mitigate risk through hedging or other means...
In contrast, if the business model is predicated on the realization of value through the return of principal and yield over the life of the financial instrument, then fair value is less relevant. Consider, for example, a bank that finances the operations of a commercial enterprise. The realization of value will come from the repayment of cash flows. Risk management is based on an assessment of the borrower's creditworthiness and the entity's ability to fund the loan to maturity. In this case, the accounting should incentivize the entity to maintain sufficient funding to hold the instrument to maturity and to hold a sufficient amount of capital to cover potential credit losses through the credit cycle, preferably in a designated reserve. Indeed, the use of fair value could create disincentives for lending to smaller businesses whose credit characteristics are not easily evaluated by the marketplace.