Particular products, especially foods and drugs, are often subject to local laws regarding safety, purity, packaging, labeling, and so on. Companies that want to make a product that can be sold in multiple countries must comply with the highest common denominator of all the laws of all the target markets. Complying with the highest standard could increase the overall cost of the product. As a result, some companies opt to stay out of markets where compliance with the regulation would be more costly. Is it ethical to be selling a product in one country that another country deems substandard?