The wealth of corporate owners is measured by the share price of a stock

When a market reaches the maturity stage ________

A) gains in volume can be achieved only with gains in market share B) the volume is derived from both market demand and market share C) declining volumes are avoidable D) rate of growth increases E) the net marketing contribution is negative

A test of the significance of the interaction between two or more independent variables is a test of the ________

A) significance of the overall effect B) significance of the main effect C) multiple ?2 D) significance of the interaction effect