Economics

Step 1: Analyzing and Matching Each Economic Theory/Concept:


(A) Theory of Big Push: This theory in development economics suggests that a large, coordinated investment across multiple industries is necessary for a developing country to industrialize. This theory was proposed by Paul Rosenstein-Rodan. This matches with (III).
(B) Theory of unbalanced growth: This theory argues that to stimulate development, investment should be concentrated in specific key sectors rather than being spread thinly across all sectors. This concept is strongly associated with Albert Hirschman. This matches with (II).
(C) Division of Labour: This is the concept of specialization of labor in specific, circumscribed tasks and roles, intended to increase efficiency. It is a cornerstone of classical economics, famously articulated by Adam Smith in "The Wealth of Nations". This matches with (I).
(D) Reserve Army of Labour: This is a central concept in the economic theory of Karl Marx. It refers to the structural unemployment and underemployment inherent in capitalist economies, which keeps wages down and workers disciplined. This matches with (IV).

Step 2: Forming the Correct Combination:
The correct pairings are: A III, B II, C I, D IV.

Step 3: Final Answer:
Looking at the options, option (A) perfectly matches our derived sequence.

Step 1: Analyzing and Matching Each Book/Work with its Author:


(A) Political Economy of growth: This is a seminal work in Marxist development theory, written by Paul Baran in 1957. It explores the dynamics of underdevelopment and the role of imperialism. This matches with (IV).
(B) The Wealth of Nations: Fully titled "An Inquiry into the Nature and Causes of the Wealth of Nations," this 1776 book is the magnum opus of Adam Smith and a foundational text of classical economics. This matches with (I).
(C) The Theory of Economic growth: This influential 1955 book on development economics, which introduced the dual-sector model, was written by Nobel laureate W. Arthur Lewis. This matches with (II).
(D) Resources, Values and Development: This is a collection of essays by Nobel laureate Amartya Sen, published in 1984. It covers themes like resource allocation, welfare economics, and moral philosophy. This matches with (III).

Step 2: Forming the Correct Combination:
The correct pairings are: A IV, B I, C II, D III.

Step 3: Final Answer:
Looking at the options, option (B) matches our derived sequence.

Step 1: Understanding Different Economic Systems:
Economic systems are the means by which countries and governments distribute resources and trade goods and services. They are used to control the five factors of production, including labor, capital, entrepreneurs, physical resources, and information resources.

Step 2: Analyzing and Matching Each System:


(A) Traditional Economic System: This system is based on customs, history, and time-honored beliefs. It depends on agriculture, fishing, hunting, and gathering. It is the most basic and ancient type of economy. This matches with (II).
(B) Command Economic System: In this system, a central governmental authority makes all major economic decisions regarding production and distribution. A large part of the economic system is controlled by a centralized power. This is also known as a planned economy. This matches with (III).
(C) Market Economic System: This system is based on supply and demand with little or no government control. Decisions are made by individuals and private firms. It is similar to a free market. This is also known as capitalism. This matches with (IV).
(D) Mixed Economic System: This system combines elements of both market and command economies. It features private ownership and control of most of the means of production, but often with government regulation. Many developing countries exhibit a dual economy, with a modern, market-based sector existing alongside a traditional, subsistence sector, a key feature of a mixed system in that context. This matches with (I).

Step 3: Forming the Correct Combination:
The correct pairings are: A II, B III, C IV, D I.

Step 4: Final Answer:
Looking at the options, option (B) matches our derived sequence.

Step 1: Understanding the Significance of the Book:
"The General Theory of Employment, Interest and Money" is one of the most influential books in the history of economics. Published in 1936, it challenged the classical economic thought that prevailed at the time and laid the foundation for modern macroeconomics, especially in the context of the Great Depression.

Step 2: Identifying the Author:
The book was written by the British economist John Maynard Keynes. His ideas, collectively known as Keynesian economics, advocate for active government intervention in the economy, particularly through fiscal policy (government spending and taxation), to mitigate the adverse effects of economic recessions and depressions.
The other economists listed are known for different contributions:

Manmohan Singh: An Indian politician and economist, known for implementing economic reforms in India in 1991.
Adam Smith: The father of modern economics, known for "The Wealth of Nations" (1776).
Amartya Sen: A Nobel laureate known for his work on welfare economics and the capability approach.

Step 3: Final Answer:
The author of "The General Theory of Employment, Interest and Money" is John Maynard Keynes.

Step 1: Analyzing and Matching Each Term:


(A) Oligopoly: This is a market structure characterized by a small number of large sellers. The key is "few" sellers. This matches with definition (IV).
(B) Marginal Cost: In economics, marginal cost is the change in the total cost that arises when the quantity produced is incremented by one unit. It is the change in total cost per unit of change in output. This matches definition (III).
(C) Duopoly: This is the most basic form of oligopoly, a market dominated by exactly two firms. This matches definition (II).
(D) Cost function: This is a mathematical function that relates the total cost of production to the level of output. It specifies the minimum cost required to produce a given quantity of output. This matches definition (I).

Step 2: Forming the Correct Combination:
The correct pairings are:

A IV
B III
C II
D I
This corresponds to the sequence (A)-(IV), (B)-(III), (C)-(II), (D)-(I).

Step 3: Final Answer:
Looking at the options, option (B) matches our derived sequence.

Step 1: Understanding the Concept:
The question asks for an economic theory that links rapid economic growth to the shift of resources towards the manufacturing sector, specifically because this sector exhibits 'returns to scale' (i.e., efficiency increases as production scales up).

Step 2: Detailed Explanation:


Kaldor's growth laws, proposed by economist Nicholas Kaldor, are a set of three empirical regularities observed in economic growth. The first and most relevant law states that the growth of a country's GDP is positively related to the growth of its manufacturing sector. This is primarily because manufacturing is subject to significant economies of scale, both static (cost per unit falls as output increases) and dynamic (learning-by-doing, technological progress). This perfectly matches the premise of the question.
Kuznets Curve theory suggests that as an economy develops, market forces first increase and then decrease economic inequality, forming an inverted U-shaped curve. It relates growth to inequality, not the mechanism of manufacturing returns to scale.
Rostow's stage theory describes a sequence of five stages of economic development. While it includes an industrial "take-off" stage, it is a descriptive historical model rather than an analytical one focused on returns to scale as the core driver.
Amartya Sen's Capability Approach is a theory of human well-being and development. It argues that development should be seen as the expansion of human capabilities (freedoms to achieve desired functionings), rather than just economic growth.

Step 3: Final Answer:
The theory that directly connects rapid growth to the shift to manufacturing due to returns to scale is Kaldor's growth laws.

Step 1: Understanding the Concept:
Taxes can be broadly classified into two categories:

Direct Tax: A tax that is levied directly on the income or wealth of a person or a corporation. The liability to pay the tax and the burden of the tax fall on the same person. It cannot be shifted to others.
Indirect Tax: A tax levied on goods and services rather than on income or profit. The burden of an indirect tax can be shifted from the taxpayer to the final consumer. Examples include Goods and Services Tax (GST), customs duty, and excise duty.

Step 2: Analyzing the Options:


(A) Income tax: This tax is levied directly on the income earned by an individual or entity. The person earning the income pays the tax directly to the government. Hence, it is a direct tax.
(B) Excise Duty: This is a tax on the manufacture of goods. The manufacturer pays the tax but recovers it from the buyers by including it in the price of the goods. Thus, it is an indirect tax.
(C) Sales Tax: This tax is levied on the sale of goods. The seller pays the tax to the government but collects it from the customer. It is an indirect tax. (Note: Sales tax has been largely subsumed into GST in India).
(D) Custom Duty: This is a tax imposed on goods when they are transported across international borders. The importer pays the duty but passes the cost on to the consumer. It is an indirect tax.

Step 3: Final Answer:
Based on the analysis, Income tax is a form of direct tax.

Step 1: Understanding the Concept:
In microeconomics, when the price of a good changes, the total change in the quantity demanded by a consumer is called the Price Effect. This Price Effect can be broken down into two components: the Substitution Effect and the Income Effect.

Step 2: Detailed Explanation:


Substitution Effect: This measures the change in consumption of a good solely due to the change in its relative price. To isolate this effect, we theoretically hold the consumer's "real income" or "purchasing power" constant. The question describes exactly this: the consumer's money income is adjusted so they can still afford the original bundle of goods. This change in consumption, driven only by the product becoming relatively cheaper or more expensive, is the substitution effect. (The option "substitutive" is a slight variation of this term).
Income Effect: This measures the change in consumption due to the change in the consumer's real purchasing power that results from the price change.
The other options are irrelevant: 'Shut-down point' relates to a firm's production decision, and 'supernormal profit' is profit exceeding the normal rate. 'Substantive effect' is not a standard economic term in this context.

Step 3: Final Answer:
The described phenomenon is the Substitution Effect (referred to as the substitutive effect in the option).

Step 1: Understanding Utility Theory:
In economics, 'utility' is a concept that represents the satisfaction or benefit a consumer derives from consuming a good or service. There are two main approaches to analyzing utility.

Step 2: Differentiating Cardinal and Ordinal Utility:


Cardinal Utility Analysis: This approach assumes that utility is measurable and quantifiable. It suggests that a consumer can express their satisfaction in absolute, numerical units, often called 'utils'. For example, a consumer can say that they get 10 utils of satisfaction from an apple and 20 utils from a banana, implying the banana provides twice the satisfaction of the apple. Thus, utility is expressed in cardinal numbers (1, 2, 3, etc.).
Ordinal Utility Analysis: This is a more modern approach which posits that utility cannot be measured numerically but can be ranked in order of preference. A consumer can say they prefer a banana to an apple, but they cannot say by how much. Utility is expressed in terms of ranks (1st, 2nd, 3rd, etc.).

Step 3: Final Answer:
Cardinal Utility Analysis is based on the idea that the level of utility can be expressed in numbers.