Answer: When individuals and businesses are permitted to trade freely over a larger market area, they are able to produce a higher quantity of output and bring in different products.
Explanation: When businesses and individuals trade with one another, they are able to receive more items that they may not have been able to produce themselves. Trading freely allows for more people to have the opportunity to use other products that they can't make in their own country/state.
It is caused by thermal conductivity
Answer:
GDP is a useful indicator of a nation's economic performance, and it is the most commonly used measure of well-being. ... The failure to account for the costs imposed on human health and the environment of negative externalities arising from the production or consumption of the nation's output.