Explain how local and regional economic systems and exchange networks have influenced and impacted each other over time.

Local and regional economic systems and exchange networks have influenced and impacted each other over time. This can be seen on many levels and many scales. Goods are produced at the city, county, state, and federal level. States (and even countries) have demands for goods and services and this is the basis for local and regional systems and exchange networks. Then, you also have the global market, which uses these principles on an even larger scale.