Market Penetration Model
The primary purpose of the market penetra-
tion model is to estimate the level of electronic
and conventional mail volumes in 1985, 1990,
1995, and 2000. The basic elements
el are shown in figure 1. (See app.
for further details.)
Figure 1.- Market Penetration Model
SOURCE: Office of Technology Assessment, see app. A, table A-1 for further details.
of the mod-
A, fig. A-1,
United States. Congress. Office of Technology Assessment. Implications of Electronic Mail and Message Systems for the U.S. Postal Service. [Washington D.C.]. UNT Digital Library. http://digital.library.unt.edu/ark:/67531/metadc39480/. Accessed July 27, 2016.