Ethan receiveda gift card and was considering three options: digitalcamera, cell phoneand video games after carefully thinking about it ethan narrowedhis decision down to the digital camera and the cell phone finally ethan chose the cell phone. in three or five sentences define opportunity cost and trade off and then explain the opportunity cost and trade off of ethans decision

Martin, a 32-year-old human relations administrator at a university, believes that all professors over age 50 are incapable of learning the new educational technologies and are content to keep presenting their same "tired, boring" lectures. he often expresses these views to other administrators and does not encourage any of the "older" faculty members to attend professional development meetings related to new teaching approaches nor does he suggest that the university send them to any of the technology conferences. martin is exhibiting

The president’s role in a political party is to set the legislative agenda true or false

Give an example of a situation in which an individual's pursuit of economic self-interest may not benefit but instead harm the rest of society