BCG matrix Strategy tool to guide resource allocation decisions on the basis of market share and growth of SBUs. cash cows Businesses that demonstrate low growth but have a high market share. stars Businesses that demonstrate high growth and have high market share. question marks Businesses that demonstrate high growth but have low market share. dogs Businesses that demonstrate low growth and have low market share. cumulative experience curve Assumes that when a busi- ness increases the amount of product manufactured, the per unit cost of the product will decrease.