Introduction
(a) (1) Availability of new equipment, (2) Increase in skilled and unskilled labour through population growth, and (3) Discovery of new natural resources are factors of growth of resources which shift PP curve rightward.
(b) (1) Wear and tear or breakdown of machinery, (2) Saturation of natural resources and (3) Technology becoming obsolete are factors of fall in resources which shift PP curve to the left.
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What is the difference between microeconomics and macroeconomics?
Briefly state meaning of the following terms as used in economics.
1. Economy (D 2010 C), 2. Goods, 3. Services, 4. Wants, 5. Resources,
6. Households, 7. Firms, 8. Commodities, 9. Production, 10. Consumption
Explain central problems with the help of PP curve. How does PP curve help in explaining the central problems?
(i) Why is PP curve downward sloping from left to right? (D 2006C)
(ii) Why does PP curve look concave to the origin?
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