rgunder explained the effect of high thrust placement correctly. But thrust direction has a great effect too. I don't see a tendency to place the thrust lines up high On pattern planes. They typically try to keep it centered. The low horizontal helps inverted flight trim. If the horizontal is right in line with the wing then it sees the same downwash from the wing during upright or inverted flight. The downwash is always helping the nose up. This decreases the elevator trim difference between right side up and inverted flight slightly.

Multiflyer