Castor and Pollux, Identical Twins, Get into Their Individual Spaceships

question 39

Multiple Choice

Castor and Pollux, identical twins, get into their individual spaceships and blast off simultaneously. Castor's is the faster ship, and both return to Earth simultaneously. Which of the following statements is true?

• A) Castor is older only if he traveled in the same direction as Pollux.
• B) Castor is older only if he traveled in the opposite direction to Pollux.
• C) Pollux is older only if he traveled in the same direction as Castor.
• D) Pollux is older only if he traveled in the opposite direction to Castor.
• E) Pollux is older.

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Definitions:

Rational Expectations

The hypothesis that individuals form forecasts of future events based on past and current information in a consistent and unbiased manner.

Discretionary Policy

Refers to economic strategies and actions, such as changes in tax rates or government spending, opted by the government to manage the economy.

Passive Approach

An investment strategy that involves minimal buying and selling actions, typically focused on long-term investment in index funds and other diversified holdings.

Expansionary Monetary Policy

A policy by central banks to increase the money supply and decrease interest rates to stimulate economic growth.