Final answer:
Sustained competitive advantage is most achievable in a slow-cycle market. In this type of market, economies of scale are small compared to the size of demand. A well-established reputation for slashing prices and a well-respected brand name also contribute to maintaining competitive advantage.
Step-by-step explanation:
Sustained competitive advantage is most achievable in a slow-cycle market. In a slow-cycle market, economies of scale are small compared to the size of demand in the market. Additionally, a well-established reputation for slashing prices in response to new entry and a well-respected brand name that has been carefully built up over many years contribute to sustaining competitive advantage.