Garage sales & ebay, how do these 2 activities relate to consumer and producer surplus? give examples.

the answer you are looking for is the united states forest service.

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they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.

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