For an Open Economy, the Equation Y = C

question 33

Multiple Choice

For an open economy, the equation Y = C + I + G + NX is an identity. If we define national saving, S, as the total income in the economy that is left after paying for consumption and government purchases, then for an open economy, it is true that

• A)S = I.
• B)S = 0.
• C)I = S + NX.
• D)S = I + NX.

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Definitions:

Sensorimotor Stage

The first stage in Piaget's theory of cognitive development, where infants learn about the world through their senses and motor actions.

Piaget

Refers to Jean Piaget, a Swiss psychologist known for his pioneering work in child development and his theory of cognitive development.

Cognitive Development

The formation and evolution of mental processes like recall, solving problems, and making choices, from early childhood, through the teen years, into maturity.

Egocentrism

The inability to differentiate between one's own perspective and someone else's perspective, often seen in early childhood development.