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Economic Growth, Efficiency and Inequality
Satish K. Jain,Anjan Mukherji
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eBook - ePub
Economic Growth, Efficiency and Inequality
Satish K. Jain,Anjan Mukherji
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About This Book
This volume deals with a range of contemporary issues in Indian and other world economies, with a focus on economic theory and policy and their longstanding implications. It analyses and predicts the mechanisms that can come into play to determine the function of institutions and the impact of public policy.
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CHAPTER 1
Intersectoral Disparities and Growth
Amitava Bose*
Development is associated with changes in the sectoral composition of output. Such changes are driven by disparities in sectoral rates of growth. The dynamics of growth disparities raise a number of analytical questions that can be dealt with in different ways using alternative frameworks. This essay is confined to a particular frameworkâthe framework of dual economy models of development. The objective of the essay is to find out what these models have to say on intersectoral disparities in rates of growth. In particular, it engages with the following issues:
- What is the variable that holds the key to explaining the dynamics of growth disparities in dual economy models?
- Do sectoral growth rates converge over time or do disparities persist?
- A widely debated question in development economics is whether growth in the âadvancedâ sector pulls up the âbackwardâ sector. If it does, growth is said to âtrickle downâ. Does the answer depend on whether growth rates converge over time or diverge?
The recent growth experience of the Indian economy has brought these questions to the fore. Two facts stand out. First, the composition of Indiaâs gross domestic product (GDP) has changed significantly and continues to do so. In the course of the last two decades, the share of agriculture has fallen from around 35 per cent to almost 15 per cent, while the share of the services sector has gone up from around 40 per cent to 55 per cent. Second, news on the growth front has been both exciting and disappointing. The Indian economy has been registering high rates of GDP growth in recent yearsâIndia is one of the fastest-growing economies of the worldâyet employment growth has been low, sometimes negative, especially of unskilled labour. Clearly, growth has not been âinclusiveâ. What structural features could be responsible for this? If the different sectors are interlinked, why do disparities persist?
Classical development models yield balanced growth in the long run (convergence), but they can be used to shed some light on intersectoral disparity as well (as part of transitional dynamics). Most macro-models of development are dual economy models characterized by dynamism in one part of the economy and stagnation in the other. The central questionâwhether dualism will persist or notâdepends on the manner in which the two parts are linked to each other. Some linkages are related to resource flows, such as the flow of surplus unskilled labour from the stagnant part to the dynamic part. Other linkages belong to the product sideâthe flow of food from the rural to the urban sector and the flow of industrial goods in the reverse direction. While recognizing the existence of surplus unskilled labour, demand-side linkages on the product side are emphasized here.
Resources and goods are moved from one part of the economy to the other to take advantage of opportunities for exchange. An exchange equilibrium can be brought about in different ways. This essay focuses on models in which the equilibrating variable is the intersectoral terms of trade (or relative price) between goods of the agriculture sector and goods of the industry-cum-services sector.1
Examples of flexible price dual economy models abound in the literature. These models are brought under one umbrella here, using a reduced form model with a very spare frame. This reduced form model can be fitted up to yield either convergence (to the balanced growth equilibrium) or persistent disparity. In the second section, the model is used to generate convergence to balanced growth. There are several elaborate models that can be reduced to this convergent version of the reduced form model, characterized here as the LewisâRicardo model.2 On the other hand, the third section emphasizes various contrary possibilities that lead to perpetual uneven growth. In the fourth section, the basic model and its variants are used to comment on the issue of âtrickle-downâ and its relation to the existence of perpetual disparity. The fifth section works out an example of a parametric form that covers all possibilities.
The exposition is heuristic and relies entirely on a pair of cross diagrams. We know of no existing model that fits the depiction of persistent growth disparity that is provided in the third and fourth sections, though the issue is of some contemporary relevance.3
Disparity and Convergence in the Benchmark LâR Model4
There are two sectors: (a) agriculture and (b) non-agriculture (including manufacturing and services).The relative price of agricultural products in terms of non-agricultural products is denoted as p. The two growth rates are x for agriculture and g for non-agriculture. There is one market for exchange of products. The focus will be on the supply and demand for the agricultural surplus. The supply is denoted X and the demand denoted D. The former is the net exports of agriculture and the latter the net imports of the non-agriculture sector.
Growth Gap
The analysis begins by isolating the variable responsible for differences between the growth rates of the two sectors. Here the variable is taken to be the terms of trade p. Two simple relations are postulated:
- 1. An increase in p reduces the growth rate g of the non-agriculture capital stock K. This postulate is expressed in terms of a function g = g(p) that yields a downward sloping curve.
![](https://book-extracts.perlego.com/1642733/images/fig00002-plgo-compressed.webp)
- 2. The agricultural growth rate x is given: x =xÌ . (This can be changed to x being an increasing function of p without affecting anything of significance.) Here x is the rate of growth of the marketable surplus (net exports) of the agricultural sector X.
![FIGURE 1.1 Determination of Growth Rates](https://book-extracts.perlego.com/1642733/images/fig00003-plgo-compressed.webp)
FIGURE 1.1 Determination of Growth Rates
![](https://book-extracts.perlego.com/1642733/images/fig00004-plgo-compressed.webp)
It follows that the growth gap [gâx] depends on p. The dependence can be characterized by referring to the âbalanced growth terms of tradeâ pÌ
that equalizes the growth rates.5 The size of the gap is then related to the difference between p and pÌ
.
There is pÌ
such that
![](https://book-extracts.perlego.com/1642733/images/fig00005-plgo-compressed.webp)
Figure 1.1, showing sectoral growth rates as functions of p, is referred to as the Kaldor diagram. It is important to emphasize that Figure 1.1 is not about how the market clearing price p(t) is determined at a particular date t. Given p(t), Figure 1.1 tells us how sectoral growth rates and the size of the growth gap are determined at that t.
Figure 1.1 also helps identify the balanced growth point. But there is no presumption that p(t) = pÌ
. Moreover, nothing so far suggests that p(t) converges to pÌ
and there is balanced growth g (pÌ
) = xÌ
in the long-run (that is, steady s...
Table of contents
- Cover
- Title
- Copyright
- Contents
- List of figures
- List of tables
- List of contributors
- Introduction
- 1 Intersectoral Disparities and Growth
- 2 Cycles and Crises in a Model of Debt-Financed Investment-Led Growth
- 3 Policy-Induced Changes in Income Distribution and Profit-Led Growth in a Developing Economy
- 4 A Simple Dynamic Bargaining Model
- 5 Increasing Returns, Non-traded Goods and Wage Inequality
- 6 Equality, Priority and Distributional Judgements
- 7 Contest under Interdependent Valuations
- 8 Auctions with Synergy
- 9 Negligence as Existence of a Cost-Justified Untaken Precaution and the Efficiency of Liability Rules
- 10 The 11-20 Money Request Game and the Level-k Model: Some Experimental Results
Citation styles for Economic Growth, Efficiency and Inequality
APA 6 Citation
Jain, S., & Mukherji, A. (2015). Economic Growth, Efficiency and Inequality (1st ed.). Taylor and Francis. Retrieved from https://www.perlego.com/book/1642733/economic-growth-efficiency-and-inequality-pdf (Original work published 2015)
Chicago Citation
Jain, Satish, and Anjan Mukherji. (2015) 2015. Economic Growth, Efficiency and Inequality. 1st ed. Taylor and Francis. https://www.perlego.com/book/1642733/economic-growth-efficiency-and-inequality-pdf.
Harvard Citation
Jain, S. and Mukherji, A. (2015) Economic Growth, Efficiency and Inequality. 1st edn. Taylor and Francis. Available at: https://www.perlego.com/book/1642733/economic-growth-efficiency-and-inequality-pdf (Accessed: 14 October 2022).
MLA 7 Citation
Jain, Satish, and Anjan Mukherji. Economic Growth, Efficiency and Inequality. 1st ed. Taylor and Francis, 2015. Web. 14 Oct. 2022.