A decrease in the price of either good will cause a consumer's budget constraint to:

On the graph above, at the point where quantity demanded equals quantity supplied (let's call it point A), the economy has reached its ________

A) general equilibrium, and barring any shocks, it will not move from A B) long-run equilibrium, and barring any shocks, it will not move from A C) short-run equilibrium, and even without any shocks, it may move away from A D) short-run equilibrium, and barring any shocks, it will not move from A E) none of the above

Tacit collusion occurs when price- and quantity-fixing agreements among producers

A. are legal. B. are explicit. C. are implicit. D. are nonexistent.