1. BASS Model 2. Resource Allocation for Interdependent Demand π ∑ π=1(ππ − πΆπ )πππ ππ ∗ ππ = π π΅ ∑π=1 ∑ππ=1(ππ − πΆπ )πππ ππ 3. Customer Equity a * m ο A ο« a * (m ο R / r ) * rο’ (1 ο r ο’)