Answer: Decreasing the incomes of people in the city
Explanation:
According to the given situation, the newspaper reporting about the average price range of the new homes are decreased in the city and also the new homes selling average are also decreases.
It is basically caused by the average income level of that specific city are get decease.
When the income of the people are decreases then it cause less spending on the things and the budget are get highly effected so that is why they are unable to buy any kind of property.
Therefore, Decreasing the incomes of people in the city is the correct answer.