The balance of trade is derived by subtracting merchandise imports from merchandise exports

"If firms in an oligopoly enter into a collusive agreement to operate as a monopoly, the industry produces the most output and if they operate as perfect competitors, the industry produces the least output

" Is the previous statement correct or incorrect? Why?

How do lower taxes affect aggregate demand?

A) They increase disposable income, consumption, and aggregate demand. B) They increase aggregate supply and thus increase aggregate demand as well. C) they increase corporate investment and aggregate demand. D) They reduce disposable income, consumption, and aggregate demand.