What do many economit cinsider to be the most impotant reason for studying economic?

The most important reason according to economists of studying economics is to tackle the problem of scarcity.  All the resources that are available to us, land, labour, capital and entrepreneurship are all limited. To be able to allocate and use these resources to get an optimum benefit out of them is what the study of economics is related to. it is for this reason that economists consider economics an important subject. Students of economics learn to manage resources under the limited conditions to get the optimum result all under the primary problem of scarcity.