Fair Value Hierarchy
SFAS No. 157 estabilishes a hierarchy that ranks the quality and reliability of information used to determine fair values. Exhibit 7.3 provides a description of the levels in the hierarchy and examples.
If the fair value of an asset or liability is based on information from more than one level of the hierardhy, the classification of fair value depends on the lowest-level input with significant effect. For example, if a particular measurement contains both Level 2 and Level 3 inputs and both have a significant effect, then the measurement falls in Level 3