392 CHAPTER 12 BRAND ACTIVATION
Th is type of analysis will also reveal potential ‘sawtooth’ eff ects, which follow the ‘post-
promotion dip’ which is oft en the result of some types of promotions. Basket-fi lling promotions
may induce consumers to buy large quantities of the product on promotion, aft er which they
have enough stock for a number of weeks or months, and sales drop sharply in the post-
promotion period. Th is phenomenon is illustrated in Figure 12.6. Obviously, if the only net
result of promotion campaigns is that the post-promotion dip entirely compensates for the
extra sales during the promotional period, the only thing that has happened is that the com-
pany has given up part of its profi t margin. Th e success of a promotion campaign can be
Figure 12.5 Monitoring the effectiveness of sales promotions campaigns: the launch of a new
detergent
Figure 12.6 The sawtooth effect of sales promotions campaigns
M12_PELS3221_05_SE_C12.indd 392M12_PELS3221_05_SE_C12.indd 392 5/6/13 2:58 PM5/6/13 2:58 PM