Describe the meaning of utility in economics and explain why it is different from one consumer to another

Utility is widely used in economic science to explain how consumers or decision makers make their choices in the best way.

Even if it is not possible to measure the utility that a consumer attributes to a specific good, the theory seeks to compare and classify the alternatives of choice to the good.  Is not possible because the consumers have their own parameters and specifics to choose a good.

the invasive species was introduced due to commercial purpouses, as there was a demand for fur clothes and hence, a business opportunity connected to this product. actually, it was when the nutrias scaped, causing harm to the us ecosystems when they acquired the status of invasive species. in this case they have caused an environmental problem, but it could have affected also economic interests or even human health.

the earthquake in haiti was a magnitude of 7.0 according to the u.s geological survey yet the smaller earthquake in haiti killed more than 200,000 and left more than 1.2 million people homeless. the chile earthquake was a magnitude of 8.8 and 500 times more stronger but chile's earthquake only injured 712 people.