Graphics Reference
In-Depth Information
Figure 12-10:
A traditional factor tree like the one shown here is used in
teaching mathematics to show how factors combine hierarchically to
produce a result.
Behavioral factor trees are particularly effective for understanding models
that can otherwise suffer from lack of transparency. Models are used to
explain and often project behavior. Models that are not transparent tend
to suffer from the “black box” problem. Like the number 42, which is the
answer to life, the universe, and everything in
Hitchhiker's Guide to the
Galaxy
by Douglas Adams (New York: Del Rey, 1995), a simple summary
often fails to offer enough explanation and requires an inordinate amount of
trust on behalf of the analyst—which is not always warranted.
Figure 12-11
shows how a behavioral factor tree can be used to understand
potential contributing factors in an economic model when drilling down on
