Each of the following parts describes a firm that was an early mover in its market.In light of the information provided, indicate whether the firm's position as an early mover is likely to be the basis of a sustainable competitive advantage, and explain why or why not. (2 points: 1 point each)

1)A bank has issued the largest number of ATM cards in a large urban area. Banks view their ability to offer ATM cards as an important part of their battle for depositors, and in this market a customer's ATM card for one bank does not work on the ATM systems of competing banks.

2) A firm has a 60% share of T3MP, a commodity chemical used to make industrial solvents. Minimum efficient scale is thought to be 50% of current market demand.Recently, a change in environmental regulation has dramatically raised the price of a substitute chemical that indirectly competes with T3MP.This undermines the market for the substitute, which is about twice the size of the market for T3MP