Thursday, December 13, 2007

Colluding Refiners

Q:

In the Colluding Refiners problem on the 2004 exam, is it possible to show MR on the graph?

A:

See the other posts on demand and marginal revenue.

Q:

Also on this problem, why is DWL $5 million rather than $10 million?

A:

I think you are right, in that the calculation should be 1/2 * ($2.50-$1.50)* 20 million. ($1.50 is the point on the supply curve at 100 million gallons.)

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