What distinguishes a sustainable competitive advantage from a long-lasting competitive advantage?

A sustainable competitive advantage is characterized by its ability to be maintained over time, particularly because competitors are unable to duplicate it effectively. This means that the advantage is not just strong, but also unique and difficult for others in the industry to replicate. This uniqueness can stem from various factors, such as proprietary technology, unique business processes, or brand reputation, which create barriers for competitors.

On the other hand, a long-lasting competitive advantage might endure due to various factors but does not inherently require that competitors fail to replicate it. It can be based on advantages that, while still beneficial, are more susceptible to imitation over time.

Thus, the distinction lies in the sustainability aspect—sustainable competitive advantages inherently imply a greater degree of protection from competition compared to merely long-lasting advantages. The focus on the inability of competitors to duplicate this advantage is what makes it truly sustainable, leading to ongoing success in the market.