Answer:
The answer is: The economic impact of the airport and hotels would be an increase in the economy of that city.
Step-by-step explanation:
Since Newton Bay is a sparsely populated area. The new airport as well as the construction of hotels, will give a great economic boost to the aforementioned city, since apart from the travelers, there will also be visitors, which will cause the city to begin to have a greater amount of traffic, and population, some with time can stay to live there, and thus increase the population of the city both by residents and by passing people.
The answer is: The economic impact of the airport and hotels would be an increase in the economy of that city.