Answer: Construction workers' wages
Explanation:
The selling price of houses is most likely to reduce in a situation whereby there is a reduction in the wages if the construction workers.
We should note that the wages of the construction workers has an effect on the price at which houses will be sold as when there's an increase in their wages, it pushes up the price of the houses as well. Likewise, a reduction in their wages leads to reduction in the price of the houses.
