Answer:
Both of these answers are correct.
Explanation:
Positive externality is when the benefits of economic activities to third parties exceeds its cost.
Activities that generate positive externality are 
1. Education 
2. Research and development 
To encourage activities that have positive externality, government can subsidise such activities. Subsidies makes the activity cheaper and incentivise people to carry out such activities. 
Market forces may lead to an underallocation of resources to producing the good. Therefore, the government might intervene in the allocation of the resources to increase efficiency. 
I hope my answer helps you. 
 
        
             
        
        
        
When the Brazilian Real changes from 1000 real per U. S. dollar to 1500 Real per U. S. dollar, the real is devalued.
If the Brazilian Real appreciates relative to the U.S. dollar, the number of reals furnished increases because the lower fee (in real) for U.S. goods induces Brazilians to shop for extra U.S. products.
If an international location's actual trade price is growing, its method of its of goods has become extra costly relative to its competitors. Growth within the actual alternate charge means humans in a country can get more foreign goods for an equal quantity of domestic goods.
While the dollar appreciates, exports lower because they may be now more pricey for foreigners to shop for and imports growth inflicting internet exports to decrease. When the dollar appreciates, exports lower because they're now greater high-priced for foreigners to shop for and imports grow to inflict net exports to decrease.
Learn more about trade here brainly.com/question/17727564
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In a 100 percent capitalist structure, there are basically
two advantages that the owners are offered:
1. They can make as much profit as they desire, as long as they are
hardworking and the market permits it.
2. They don’t have to bother themselves about the welfare of their workers.
 
        
             
        
        
        
Answer: Switching Directions
Explanation: 
 Jillian made use of the Switching direction verbal signpost during her presentation.
 A verbal signpost is a statement made during a public speech, that gets the audience attention and helps them to know the direction in which the speech is going.