Allocation of resources

Also called: Resource allocation · Topic: Scarcity, Choice and Economic Systems · NCERT: Class 12, Ch 1 "Introduction (Microeconomics)"

Meaning

Allocation of resources is how a society divides its limited resources (land, labour, capital, raw materials) among different uses, meaning how much of each resource goes into producing each good or service.

• Every allocation gives one particular combination of goods and services. That combination lies either on the production possibility frontier (PPF) or inside it.
• It matters because of scarcity: resources are limited, so no society can produce everything it wants. Deciding the allocation is the central economic problem, and every economic system has to solve it.

Explanation

How allocation links to the PPF

• Production possibility set: all the combinations of goods that can be produced with a given amount of resources and a given stock of technology. It includes points on the frontier and points inside it.
• Production possibility frontier (PPF), also called the production possibility curve (PPC): the maximum combinations of two goods an economy can produce when its resources and technology are fully used [2].
• Each allocation = one point:
• If you put all resources into cotton, you get point A (0 corn, 10 cotton) in the Class 12 corn–cotton schedule.
• If you put all resources into corn, you get point E (4 corn, 0 cotton).

• Every split between these two extremes gives one point in between.

• Re-allocation = moving along the PPF. When you shift resources from cotton to corn, you move down the frontier. You get more corn and less cotton.

The cost of re-allocating: opportunity cost

• Opportunity cost (the value of the next-best thing you give up) is the amount of one good you must sacrifice to produce one more unit of the other [3].
• Marginal rate of transformation (MRT): the slope of the PPF, taken as a positive number.
• MRT = ΔY / ΔX (X = good on the horizontal axis, Y = good on the vertical axis).

• It is the opportunity cost of one more unit of X.

• Worked example (Class 12, X = corn, Y = cotton):

Move	Corn (ΔX)	Cotton given up (ΔY)	MRT
A→B (0→1 corn)	1	10→9 = 1	1
B→C (1→2)	1	9→7 = 2	2
C→D (2→3)	1	7→4 = 3	3
D→E (3→4)	1	4→0 = 4	4

• Why the cost rises (1 → 2 → 3 → 4):
• Resources are not equally suited to both goods.
• The first resources moved to corn are the ones that are worst at cotton, so little cotton is lost.
• Later, you have to move good cotton resources, so more cotton is lost each time.

• So the PPF is concave to the origin (it bows outward).

• If resources were equally good at both goods, the cost would stay the same and the PPF would be a straight line. For example, if corn is 0–4 and cotton is 12, 9, 6, 3, 0, the MRT is always 3.

Efficient and inefficient allocation

Point	What it says about allocation
On the PPF	Efficient use of resources: maximum output, no waste
Inside the PPF	Underutilisation of resources: idle workers or factories, or resources used wastefully
Outside the PPF	Cannot be reached with present resources and technology

• Britannica also says a point inside means resources are not fully or efficiently used, and a point outside cannot be reached [4].
• Worked example: with 2 corn, the frontier gives 7 cotton (point C).
• (2 corn, 5 cotton) is inside, so 2 units of cotton are being lost.
• (3 corn, 6 cotton) is outside, because only 4 cotton is possible with 3 corn.

Allocating for the future: capital vs consumption goods

• Consumption goods (food, clothes) satisfy wants directly. Capital goods (machines, tools, dams) are used to make other goods.
• The allocation choice:
• Put more resources into capital goods today.
• This builds more machines and factories, so capacity rises.

• As a result, the PPF shifts outward tomorrow.

• NCERT Class 12 describes this as choosing "investment goods (like machines) which will boost production and consumption tomorrow".

• A country that focuses on consumer goods gets more benefit now but slower growth of its PPF [2].

In India

• Planned allocation (Second Five Year Plan, 1956-61, Mahalanobis model):
• The state decided the allocation, meaning which point on the PPF to produce at.

• It put resources into heavy industry and capital goods to push the PPF outward over time.

• Market allocation (1991 reforms):

• India moved towards letting prices and profits guide allocation.

• The aim was to cut the waste and idle capacity of the licence-permit era, and bring the economy closer to its frontier.

• Idle resources (COVID-19):

• Real GDP growth was −7.3% in 2020-21, against +4.0% in 2019-20 (NSO Provisional Estimate, May 2021) [5].
• Lockdowns left workers and factories idle, so the economy was at a point inside its PPF.

• Growth recovered to 9.2% in 2021-22 (First Advance Estimates) [6]. This was mostly a move back towards the frontier.

• Allocation to foodgrains (Green Revolution, 1960s onward):

• High-yielding seeds, irrigation and fertiliser raised farm capacity. The PPF swung outward on the foodgrain axis only (a rotation).

• Foodgrain output reached a record 357.73 million tonnes in 2024-25 (Final Estimates). Rice was 150.18 million tonnes and wheat was 117.95 million tonnes [8].

• Water allocation risk (2024):

• The average stage of groundwater extraction (the share of yearly refillable groundwater that is pumped out) was 60.47%.
• 751 of 6,746 assessment units (11.1%) were "Over-exploited" [7].
• Heavy use of water for thirsty crops can deplete aquifers (underground water layers) and pull the farm PPF inward.

Don't confuse with

• Re-allocation vs shift of the PPF: re-allocation moves the economy along the same frontier. A shift happens only when resources or technology change.
• Moving from inside to on the PPF vs outward shift: bringing idle resources back into use, for example by cutting unemployment, moves the point to the frontier. The PPF itself does not shift.
• Allocation of resources vs distribution of output: allocation answers what to produce and how much of each resource to use. Distribution answers for whom, meaning who gets the output.
• Production possibility set vs PPF: the set includes every possible allocation (on and inside). The PPF is only the full-use allocations, the outer edge of the set.

Prelims Hooks

• Every allocation of resources gives one combination of goods. It lies on or inside the PPF, never outside.
• Moving along the PPF = re-allocating resources. Its cost is measured by MRT = ΔY/ΔX, the opportunity cost of one more unit of the X-axis good.
• Class 12 corn–cotton schedule: the opportunity cost of successive units of corn is 1, 2, 3, 4 units of cotton. A concave PPF means rising MRT, and a straight-line PPF means constant MRT.
• Inside = underutilisation, on = efficient use, outside = unattainable. Trap: reducing unemployment is not a shift of the PPF.
• Planned economy: the state decides the allocation (Second Plan, 1956-61, Mahalanobis). Market economy: prices and profits guide it (the direction after the 1991 reforms).
• Real GDP growth of −7.3% in 2020-21 [5] is an example of a point inside the PPF.

Mains Points

• Growth vs present welfare (GS-III, planning):
• Putting more resources into capital goods shifts the PPF out later, but it cuts consumption today.
• The Mahalanobis-era focus on heavy industry was criticised for neglecting consumer goods and farming.

• A balanced answer should also count human capital (education, health) as a source of outward shifts, not only machines.

• Who should allocate: state or market? (GS-III, 1991 reforms):

• Both systems answer the same question: which point on the PPF to produce at.
• The 1991 reforms tried to cut idle capacity and waste (points inside the PPF) and speed up technology upgrades (outward shifts).

• Demand support can bring an economy back to its PPF, as in the 9.2% rebound of 2021-22 [6]. Only investment, reforms and new technology can shift the PPF outward.

• Sustainable allocation of natural resources (GS-III, agriculture and environment):

• A record 357.73 million tonnes of foodgrain (2024-25) [8] sits next to 751 over-exploited groundwater units (2024) [7].
• If too much water keeps going to water-heavy crops, the farm PPF could move inward.
• Remedies: water budgeting, crop diversification away from paddy, and micro-irrigation.

Related concepts

• Production possibility set
• Production possibility frontier
• Efficient use of resources
• Underutilisation of resources

Read more

• Production possibilities: set, frontier, shape and shifts