However, the reason for the wild variations in valuations of her private wealth can be pinned on the secrecy over her portfolio of share investments.
If you strip out the variation in debenture valuation (and inventory writedowns, including a gigantic $3.7bn writedown of the value of unsold BB10 devices when Chen took over), over the past four quarters BlackBerry's operating performance has been, respectively: $1,200m loss $248m loss $267m loss $24m loss.
Standard deviations are the same order as the averages $1591/bpd and $202/cbpd, respectively, indicating wide variation in market valuations.
29 Although regional variation in term valuations or weightings may contribute to different outcomes, it should not be considered as a major limitation.
There were strong variations in the valuation of different ES between local people and experts, between genders and between different status and income classes in the local communities.
This accounts for any noise on a particular day that can account for variation in pricing and valuation.
Discussion: There is considerable variation in approaches to valuation metrics, discounting methods, uncertainty characterization and propagation, and assessment of low-probability/high-impact events.
Developing a protocol serves two goals: reducing method variation across valuation studies and dealing with perceived shortcomings in previous valuation studies.
At the same time, they need to prevent the exercise from becoming just another variation on "valuation as usual". This is the well-worn rut in which valuation analysis is used primarily to check numbers and as due diligence documentation for investments.
Several interviewees noted industry variations in the desktop valuation methods, "Telecommunications and service industries tend to prefer multiples (e.g., economic value and/or EBITDA), while the financial sector prefers discounted cash flow".
That is, the variation in appraisals rather than their average valuation would be of interest.
