5. How did the Mercantilists use colonies to achieve a favourable trade balance? 6. David Hume in his Discourse of Interest published in 1752 asked the question: is money wealth', or 'is the accumulation of money beneficial? Identify and explain any Classical Economics theory that was developed based on this question. 7. David Hume in his Discourse of Interest published in 1752, attributed the behaviour of interest rate to the level of profits. How does this view bear semblance with modern day real business cycle