Answer:
The steel industry at Pittsburgh enjoys locational advantages. Some of the raw material such as coal is available locally, while the iron ore comes from the iron mines at Minnesota,
Globalization in essence is companies and governments climbing onto the world stage and interacting internationally.
Globalization has helped some, but it has also hurt a lot, specifically through:
- Making the rich richer
- Removing trade barriers only for new ones to rise (VAT taxes, etc.)
- Increased trade deficits with many jobs leaving their developed nations for less developed ones (U.S. manufacturing to China, etc.)
- Developed country job pay cuts
- MNC's leaving countries and exploiting international tax havens
- MNC's overseeing bad work conditions in countries with less regulations
- MNC's influencing international politics
- Exploitation of labor
- Social welfare schemes
Et cetera, et cetera...
All the problems we hear about with companies leaving their countries and stranding thousands if not millions of people without jobs, and labor issues in other countries all stem from globalization. So we need to decide if the benefits outweigh the costs here or not...
Models can be conceptual, graphical or mathematical as they are used in science. It allows one to break down a concept into simpler terms with a visual component. A limitation of models in science is that they are usually simplified versions of the real situation or concept.