Consider the following list of strategies. Which are examples of potential economies of scope underlying a corporate diversification strategy? For those strategies that are an economy of scope, which economy of scope are they (shared activities, core competencies, financial, anticompetitive, or maximizing management compensation)? For those strategies that are not an economy of scope, why aren't they?

a. The Coca-Cola Corporation replaces its old diet cola drink (Tab) with a new diet cola drink called Diet Coke.

b. Apple introduces an iPhone with a larger memory.

c. PepsiCo distributes Lay's Potato Chips to the same stores where it sells Pepsi.

d. Wal-Mart uses the same distribution system to supply its Wal-Mart stores, Supercenters, and Sam's Clubs.

e. Head Ski Company introduces a new line of tennis rackets.

f. General Electric borrows money from Bank of America at 3% interest and then makes capital available to its jet engine subsidiary at 8% interest.

g. McDonald's acquires Boston Market and Chipotle (two restaurants where many customers sit in the restaurant to eat their meals).

h. A venture capital firm invests in a firm in the biotechnology industry and a firm in the entertainment industry.

i. Another venture capital firm invests in two firms in the biotechnology industry.