Q.Explain the concepts of Scarcity, Choice and Opportunity Cost with the help of the Production Possibilities Curve (PPC).
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Start your 14-day free trial to unlock the full solution →Scarcity means the resources available to an economy — land, labour, capital, entrepreneurship and time — are limited relative to the unlimited wants they must satisfy. Because of scarcity, choice becomes unavoidable: a decision-maker, whether an individual, a firm, or an entire economy, must decide which wants to satisfy now and which to leave unsatisfied. Every choice made under scarcity carries an opportunity cost — the value of the next-best alternative given up. If a plot of land can grow either cotton or sugarcane, choosing sugarcane means the opportunity cost is the cotton crop foregone.
The Production Possibilities Curve (PPC), or Production Possibility Frontier, is a diagram that shows the maximum possible combinations of two goods — say, Food Grains and Cotton — that an economy can produce in a given period, using all its available resources fully and with a given level of technology. The curve is drawn concave (bowed outward) to the origin, reflecting that resources are not perfectly suited to producing both goods equally well, so more and more of one good must be given up to gain equal successive amounts of the other.
<!-- FIGURE-NEEDED: A standard concave-to-the-origin Production Possibilities Curve with two axes — Food Grains (Y-axis) and Cotton (X-axis) — showing a point A on the curve (efficient), a point B inside the curve (unemployed/underutilised resources), a point C outside the curve (unattainable), and a dashed outward-shifted curve illustrating economic growth. Schematic, no numeric axis values required. -->Three points on and around the PPC illustrate the ideas together:
- A point on the curve (fully efficient use of resources) forces a genuine trade-off — to move along the curve and produce more Cotton, the economy must give up some Food Grains; the amount given up is the opportunity cost of that extra Cotton, read directly from the slope of the curve at that point.
- A point inside the curve represents unemployed or inefficiently used resources — the economy could produce more of both goods simply by using existing resources fully, with no trade-off required, since it is not yet on its own frontier. …
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