ECONOMICS :Is the study how human faces the scarity .This scarcity can be familydecisions , business decisions , and individual decisions .Scarcity means human wants good and services exceed what is available .Resources such as labor , tools , land , and raw metarial are necessity toproduce service and goods but they exists are limited of supply .Think about all the things you can consume food , shelter , clothing ,transportations , healthcare , and entertainment . How do you aquire them? So this is scarcity problem .