Mutual interdependence would tend to limit control over price in which market model?

Suppose $1 billion is available in the budget and Congress is considering allocating the funds to one of the following three alternatives:

a. subsidies for education b. research on Alzheimer's c. increased border security If voters prefer a to b and b to c, then if preferences are transitive A) they should prefer c to a. B) they should prefer a to c. C) they should be indifferent between a and c. D) it is not always possible to rank voters' preferences between a and c.

A reduction in world oil supplies is likely to cause

A) an increase in aggregate demand and a decrease in the equilibrium price level. B) a decrease in equilibrium price level and an increase in real Gross Domestic Product (GDP). C) an increase in equilibrium price level and an increase in real Gross Domestic Product (GDP). D) a reduction in aggregate supply, a rise in the equilibrium price level, and a fall in real Gross Domestic Product (GDP).