How does over-supply affect prices and consumer perceptions of a product?

Over supply decreases the price of an item. If there is too much of an item on the market the price will decrease because they need to be sold. A consumers perception may be that it is either a very poor product because there is so many being produced.

Roman

Extensive trade routes were established on land and sea. The Roman roads are one lasting legacy of Roman domination and many are still in use today. While the benefit of a large network of roads was the transport of goods, their most significant purpose was the fast mobilization of the legions.