Answer:
Virtuous Circle
Explanation:
According to my research on different business tactics, I can say that based on the information provided within the question this situation is illustrating the concept of a Virtuous Circle. This term refers to a recurring cycle of events, in which each event benefits the next. Which is exactly what is happening in this situation, as the industry starts wastewater treatment plants, it gains in profit, which generates more employment, which then allows more treatment plants to be implemented.
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