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This episode explores Book 2 of Adam Smith's Wealth of Nations, focusing on his revolutionary concept of the "division of stock" and how capital accumulation drives economic growth.

• Smith distinguishes between fixed capital (machines, buildings, land improvements) and circulating capital (money, goods in transit)
• Money is described as "the great wheel of circulation" – necessary but not productive in itself
• Banking allows society to economize on expensive metallic currency by substituting paper money
• Smith's concept of productive versus unproductive labor helps explain which activities increase national wealth
• The acquisition of skills represents "human capital" – a concept Smith pioneered centuries before Gary Becker
• Interest on loans is justified as compensation for the productive use of capital, though Smith supports moderate usury laws
• Smith identifies four employments of capital: agriculture (most beneficial), manufacturing, wholesale trade, and retail
• Smith criticizes mercantilism for privileging foreign trade over domestic production
• Division of stock and modern financial markets solve the "time travel problem" by allowing entrepreneurs to access capital without primitive accumulation

You can follow Mike Munger on Twitter at @mungowitz