Economists state that every decision involves trade-offs. economists measure and define these trade-offs as: a. productions possibilities curve. c. circular flow of economic activity. b. paradox of value. d. opportunity costs. select the best answer from the choices provided

Option D i.e Opportunity Costs is the correct answer.

Economists define trade-offs in simple terms as a situational decision where a person chooses a thing over the sacrifice of another thing,owning to limited resources and time.

Opportunity Cost of a choice is what you gave up to get it. For example, you gave up the idea of watching movie tomorrow in order to go for a dinner.

during the 20th century, the role of the vice president has evolved into more of an executive branch position. now, the vice president is usually seen as an integral part of a president's administration and presides over the senate only on ceremonial occasions or when a tie-breaking vote may be needed.