Alec and Kim Used to Be Much Better Friends Than

question 2

Multiple Choice

Alec and Kim used to be much better friends than they are now. The problem is what to do about Christmas gifts? If they wait until Christmas morning and move simultaneously, their payoff matrix is Kim
If Alec commits at Thanksgiving time not to buy a gift for Kim, Kim will find it in her best interest

• A) to buy a gift for Alec to spite him.
• B) not to buy a gift for Alec.
• C) to buy a gift for Alec with probability.
• D) .to buy a gift for Alec with probability.
• E) to buy a gift for Alec with probability

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Definitions:

Passive Continental Margin

A region where the transition between oceanic and continental lithosphere that is not an active plate boundary occurs.

Oceanic Ridge

Underwater mountain systems formed by plate tectonics, consisting of continuous volcanic mountain chains in the ocean.

Trench

A narrow, steep-sided, elongate depression of the deep seafloor, formed by bending down of a subducting oceanic plate at a convergent plate boundary; includes the deepest parts of the ocean.

Trench Rollback

Process by which a dense oceanic plate subducts into the asthenosphere, sinks, and tends to bend or roll away from the island arc.