Two foreign nations decided to impose tariffs on imports from all countries. They set up a free trade area, removing all trade barriers between themselves but maintaining tariffs on imports from the rest of the world. Country A now begins to import sugar from Country B. Prior to this, Country A was producing sugar at a higher cost so it now benefits from this transaction. This is an example of

As the inventor of hypertension medication, onesure pharmaceuticals (osp) inc. was able to reap the benefits of economies of scale due to a large consumer demand for the drug. even when competitors later developed similar drugs after the expiry of osp's patents, regular users did not want to switch because they were concerned about possible side effects. which of the following benefits does this scenario best illustrate? a. first-mover advantages b. social benefits c. network externalities d. fringe benefits