Ziff corp. was a leading electronics firm for about three decades. as new competitors entered the industry, ziff corp's market share dropped. the managers at ziff corp. refuse to change any of their strategies, as they believe that their existing strategies will them become one of the market leaders as they did in the past. this scenario is an example of
a) distinctive competence
b) strategic dissonance
c) strategic uncertainty
d) competitive inertia

Four key marketing decision variables are price (p), advertising (a), transportation (t), and product quality (q). consumer demand (d) is influenced by these variables. the simplest model for describing demand in terms of these variables is: d = k – pp + aa + tt + qq where k, p, a, t, and q are constants. discuss the assumptions of this model. specifically, how does each variable affect demand? how do the variables influence each other? what limitations might this model have? how can it be improved?