How are sales taxes and excise taxes alike?
A. They are paid when a purchase is made.
B. They target only specific types of consumption. Wow
C. They are collected by the federal government.
D. They discourage the purchase of items considered harmful.

"choosing is refusing" means individuals face an opportunity cost with each decision they make. economists state that every decision involves trade-offs. opportunity cost is the least desirable alternative given up as a result of a decision.

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.

where is the passage