Ans: These barriers include: economies of scale that lead to natural monopoly; control of a physical resource; legal restrictions on competition; patent, trademark and copyright protection; and practices to intimidate the competition like predatory pricing.
The economic interdependence among nations is often measured by their openness.
What is economic interdependence?
The term "economic interdependence" refers to a measurement of the value of economic exchanges between two nations or between a nation and the rest of the globe, sometimes scaled to total national production or some other indicator of total financial assets. Globalization is one of the effects of economic interconnectedness. Each country's economy is at this point reliant on the supply of goods from other countries. For instance, China is currently a major supplier of goods to the United States.
Therefore,
The economic interdependence among nations is often measured by their openness.
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I think it would be b cause when the work is done you cant hire new workers to do what is already done
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Answer: A. Box D, which represents public goods.
Explanation:
A public good is referred to as a good that possesses two main characteristics which are non-rivalrous and non-excludable.
This simply means that individuals nobody can be excluded from using a public good and.itsuse by one individual doesn't affect others from using it too.
Since Emma's use of good x does not affect anyone else's use of good x and neither Emma nor anyone else can be prevented from using the good, then it's a public good.