1. What three changes in society contribute to material progress?
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2. What is the effect of increase of population on the productive power of labor?
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3. What does increasing population do to the margin of production?
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4. What is the effect of increasing population on rent and wages as proportions?
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5. How can increasing population raise rent as a quantity without decreasing wages and interest as quantities?
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6. How do inventions and improvements in the productive arts save labor?
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7. What is the effect of labor-saving inventions on total production? On the demand for land?
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8. What is the effect on rent of governmental expenditures on roads, drainage, irrigation, bridges, the internet, etc.? Offer an example.
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9. Is the increase of rent due to anything done by the landowner, as such? If so, what?
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10. To what is the increase in land value mainly due?
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11. As society advances, what becomes the most important factor that determines the value of land?
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