Southwest airlines has a complex interrelationship between its culture and staff that adds value in ways that other airlines cannot, such as jokes on flights or the cooperation between gate personnel and pilots. these examples illustrate which of the following criteria for sustainable competitive advantage? a. valuable b. rare c. costly to imitate d. non-substitutable

c. Costly to imitate

Explanation:

The answer is

c. Costly to imitate

               Some of the factors that makes a business unique are excellent leadership, well managed process, innovative and unique ideas, team work, value to the customers and many more.

              All these leads to sustain the business in the market. Southwest Airlines has a complex interrelationship between its culture and staff. They add value to their customers which provides them a huge advantage to the competitive airlines. Their customs of cracking jokes on the flight and an excellent cooperation between gate personnel and pilots makes the Southwest Airlines stand out in the airline business.

            This practices illustrates the "Costly to imitate" cultures of the Southwest Airlines which make them famous and successful. This practices and cultures are "costly to imitate' which other cannot follow or finds it difficult to imitate or handle.

Thus the answer is

c. Costly to imitate

imperial crisis leads to civil war.

roman forces withdraw from britain as goths attack rome.

odoacer topples romulus augustus

huns attack the empire and drive german peoples ahead of them.

muslims have taken his goods and products to different parts of asia an indonesia. sometimes just traveled and trade, but in other occasions, stayed in the place and made a living.

trade was the key for muslims economies to prosper. their commerce routes reached far places like malaysia and java in the 11th century.

another important factor for prosperity was that muslim states served as the middle point for european traders.

they used to travel by land but sailing the seas -the indian ocean- really increase the exportation of products.