Similarities in both values and definitions of Macaulay Duration versus Weighted Average Life can lead to confusing the purpose and calculation of the two. 1  For example, a 5 year fixed-rate interest only bond would have a Weighted Average Life of 5, and a Macaulay Duration that should be very close. Mortgages behave similarly.
Logo for OSHAs VPP. Voluntary Protection Programs (VPP) is an Occupational Safety and Health Administration (OSHA) initiative that encourages private industry and federal agencies to prevent workplace injuries and illnesses through hazard prevention and control, worksite analysis, training; and cooperation between management and workers.
A pre-test or pre-inspection is an unofficial test provided as an option to vehicle owners prior to having an official Smog Check performed on the vehicle. Smog Check stations may charge for this service if authorized by the consumer.