It seems to be a consensus that the only way to sell a listing that has not sold is drop the price.
But it isn't always about price.
There are many other issue that can influence the sale.
Condition of the home.
Location of the home
Total inventory to pick from.
Economy of the area.
there are a lot more....what kind of benefits are offered.
Schools, church, entertainment...ect.
If outside influences are part of the problem, a lower price may not help.