An assumption or characteristic of environmental economics is: A). discounting future costs and benefits.
<h3>What is economics?</h3>
Economics can be defined as a field of science that is focused on the analysis and examination of various principles that influence the production, demand and supply of goods and services.
This ultimately implies that, a purpose for the study of economics is to examine certain principles that influence the production of goods and services.
<h3>What is environmental economics?</h3>
Environmental economics can be defined as an area of economics which typically focuses on the study of the cost impact (theoretical or empirical effects) of various environmental policies on the economy.
In this context, we can reasonably infer and logically deduce that an assumption or characteristic of environmental economics is discounting future costs and benefits.
Read more on environmental economics here: brainly.com/question/2609594
#SPJ1