The answer to your question, would be that the result of landlords not maintaining their tenements got injured because they were in unsafe living spaces.
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Answer: See explanation
Explanation:
Voluntary exchange is simply referred to as an act whereby both the buyers and the sellers can engage in transactions in the market freely.
Voluntary exchange is a fundamental assumption made by neoclassical economics which forms the basis of contemporary mainstream economics.
According to the principle, people act based on their interest. In a scenario whereby the individuals believe that they will not gain from a particular transaction, they won't engage in such.
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