organized and supported by various promotional
campaigns, is not exactly easy to set, insulated
their contribution to posted sales increases as the
relationship that is established between the two
variables (promotional effort and increase the
effect of product) is not, in any case, a liniar one.
In practice, the advert will be ultimately effect
differently in different cases (launching in a
saturated market, to launch into a market that has
a potential for expansion). If, in the first case, the
discussion can be considered the desirability, in
the message of the second case, the effect of the
message must be enclosed by the tendency of
market expansion, independent of the influence of
promotional campaigns.
Promotional actions depends on effectiveness and
the items to which they relate, the prism through
which it is viewed. In this regard, it may be
limited, for example, only at the contact zone of
the promotional message to the recipients. Easier
to evaluate the effects due to other promotional
actions. To this end, in practice they are used
mainly for the following methods: