Chapter Three Accelerating Economic Growth in Industrial Societies: The Process of Expansive Reproduction Economic Growth: The New Perspectives for Theory and Policy Tai-Yoo Kim (Seoul National University) and Almas Heshmati (Sogang University) Springer 2014 Copyright © 2013 Tai-Yoo Kim and Almas Heshmati CONTENTS 3.1 Compare growth curves of agricultural society and industrial society. 3.2 Look at previous studies relevant to accelerating economic growth (AEG) in the industrial society. 3.3 Find the expansive reproduction structure enabling the AEG, and explain why virtuous cycle is possible. 3.4 Summarize the findings. 3.5 References 3-1 Introduction Agricultural society vs. Industrial society The agricultural revolution enabled humans to escape the subsistence level. However, there was no surplus production and thus low or no population growth. In contrast, an industrial society is a “marvel” age: Exponential growth in overall wealth Explosive population growth 3-1 Introduction Agricultural society vs. Industrial society Figure 3 - 1 (a) World Population Growth and (b) Global Average per Capita GDP(pGDP) Stagnant in population and per capita income growths before Industrial Revolution. Both grew exponentially after the transition to industrial societies. 3-1 Introduction Agricultural society vs. Industrial society Accelerating economic growth (AEG) is derived by dividing pGDP changes by time. AEG is the concept of ‘Economic growth speed’. Compare it with “the economic growth rate”, the rate of change in pGDP as a percentage. Try to calculate AEG and economic growth rate, and compare their different meaning: A country with a pGDP of $40,000 increased its pGDP $40,800 next year. While another with a pGDP of $400 obtains $440 of pGDP next year. 3-1 Introduction Time-output Relations Uniform Economic Growth (UEG) Figure 3 - 2 (a) Decelerating Economic Growth in Agricultural Society and (b) Accelerating Economic Growth in Industrial Society 3-2 Accelerating Economic Growth in Industrial Society Ideas about AEG from existing economic theories In The Wealth of Nations (1776), Adam Smith illustrates the theory of the division of labor by describing the case of the pin manufacturing process. Division of labor connected to production efficiency. Technology development and process innovation lead to production efficiency and cause AEG. 3-2 Accelerating Economic Growth in Industrial Society Ideas about AEG from existing economic theories Marshall (1920)’s study of increasing returns to scale also discusses the concept of AEG. When a company reduces costs and increases production through scale economies, internal economies of scale are achieved. By contrast, external economies of scale can be achieved by industrial development. Therefore, if these two conditions are achieved, increasing returns to scale can be possible. 3-2 Accelerating Economic Growth in Industrial Society Ideas about AEG from existing economic theories Chandler (1990) studies economies of scale and scope by analyzing liquidity in industrial capitalism. Mass production in an industrial society reduces the cost of manufacturing products. The same manufacturing facility can be used for many purposes and the same machine parts can be used to manufacture a variety of products. 3-2 Accelerating Economic Growth in Industrial Society Ideas about AEG from existing economic theories Myrdal (1957) has found that the system moves continuously in order to break the balance of power rather than strike a balance. AEG is unbalanced economic growth. In follow-up studies, Kaldor (1978) states that growth in production induces growth in productivity via increasing returns. 3-2 Accelerating Economic Growth in Industrial Society Ideas about AEG from existing economic theories Romer’s endogenous economic growth theory (1990) introduces the role of technology as an endogenous variable. Growth can be achieved through: Enhanced technological innovations. The increase of a number of intermediate inputs invested, and the qualitative improvement of each intermediate material. Improvement in intermediate material increases input–output efficiency. 3-2 Accelerating Economic Growth in Industrial Society More close theories to the concept of AEG The theory of the business cycle investigates the repetition of fixed cyclic patterns of economic activity. In the stage of prosperity or expansion, AEG is shown. In studies on demographic transition and economic growth, Galor and Weil (2000) have analyzed various types of economic growth in the Malthusian age, postMalthusian age, and present economic growth age. Post-Malthusian age, and present economic growth age is similar to AEG concept. 3-3 Model of AEG in an Industrial Society AEG patterns and historical evidence AEG patterns can be drawn through Solow’s neoclassical model. Figure 3 - 3 Shift in the APF According to Exogenous Technological Development) Solow (1957) named this the aggregate production function (APF). The curve was shifted by the technical change between t1 and t2. 3-3 Model of AEG in an Industrial Society AEG patterns and historical evidence AEG induced through an extension of APF. Figure 3 - 4 Time–output Relations as per Solow’s APF Shifts 3-3 Model of AEG in an Industrial Society AEG patterns and historical evidence Another source for drawing AEG patterns is Ruttan(2001)’s induced innovation model. Figure 3 - 5 Time–output Relations in an Industrial Society from the Point of View of the Induced Innovation Model As the meta-production function envelops different production functions, the accelerating production curve is derived when the evolving production technologies of an industrial society are taken into account. 3-3 Model of AEG in an Industrial Society Four historical evidence of AEG patterns Growth curves of nine countries before and after the Industrial Revolution. Figure 3 - 6 The Trend of Economic Growth in Nine Countries. Enlarged and Smoothed. 3-3 Model of AEG in an Industrial Society Four historical evidence of AEG patterns England and 20 other industrial society’s growth pattern. Figure 3 - 7 (a) pGDP in England (1970s US$), 1700–2000. (b) pGDP in OECD Top 20 Countries, 1950–2004. 3-3 Model of AEG in an Industrial Society Four historical evidence of AEG patterns AGE patterns by selected country groups. Figure 3 - 8 Trends in pGDP of Selected Country Groups Ten Western European countries: Austria, Belgium, Denmark, France, Germany, Italy, the Netherlands, Sweden, Switzerland, and the UK. Six Asian countries: India, Malaysia, Singapore, South Korea, Taiwan, and Thailand. 3-3 Model of AEG in an Industrial Society Four historical evidence of AEG patterns Indirect evidence: Labor productivity changes, 1870-1998 Figure 3 - 9 The Labor Productivity of 12 Countries, 1870–1998. 3-3 Model of AEG in an Industrial Society Simple reproduction structure in a pure agricultural economy Compared to an industrial society, a pure agricultural society has a simple reproduction structure. In a pure agricultural society, the principal factor that prevents expansive reproduction is the inelasticity of demand. Supply side also has inherent limitations owing to the amount of available land and labor. 3-3 Model of AEG in an Industrial Society Simple reproduction structure in a pure agricultural economy Figure 3 - 10 (a) Simple Reproduction Structure in an Agricultural DEG Society. (b) Stagnant Level in Each Stage of the Circulation of Simple Reproduction. 3-3 Model of AEG in an Industrial Society Expansive Reproduction Structure as a Driving Force behind an Accelerating Economy Figure 3 - 11 Expansive Reproduction Structure in an Industrial Society experiencing AEG. 3-3 Model of AEG in an Industrial Society Expansive Reproduction Structure as a Driving Force behind an Accelerating Economy Six paths constituting expansive reproduction structure (1): Path a: Given the market equilibrium, capitalists can secure profits, their accumulation becomes significant capital for reinvestment, and income increases. Path b: Capital accumulation and income increase expand existing demand. Path c: Accumulated capital is reinvested in order to improve technological innovation and increase production. 3-3 Model of AEG in an Industrial Society Expansive Reproduction Structure as a Driving Force behind an Accelerating Economy Six paths constituting expansive reproduction structure (2): Path d: As a result of technological innovation, qualityenhanced new products is launched and new demand is created. Path e: The expansion of existing demand and creation of new demand increase net demand in the market. Path f: The increase in production through the increase in production capacity and improvements in productivity, and the launch of new products through technological innovation, increase net supply to the market. 3-3 Model of AEG in an Industrial Society Expansive Reproduction Structure as a Driving Force behind an Accelerating Economy Figure 3 - 12 Accelerating Trends at Each Stage Created by the Circulation of Expansive Reproduction. Notes: M: Market size, K: Capital accumulation, S: Net supply, D: Net demand 3-3 Model of AEG in an Industrial Society Expansive Reproduction Structure as a Driving Force behind an Accelerating Economy Table 3.1 Labor productivity in the cotton spinning Industry Types of Cotton Spinning Processor Required Labor Hours Indian labor (18th century) 50,000 Crompton’s self-actor (1780) 2,000 100 weight self-actor (1790) 1,000 Power-aided self-actor (1795) 300 Robert’s self-actor (1825) 135 Modern cotton spinning machine 40 Source: Modified from Catling (1970). 3-3 Model of AEG in an Industrial Society Expansive Reproduction Structure as a Driving Force behind an Accelerating Economy Figure 3 - 13 Patent Registration in the Industrial Revolution Era, England, 1700-1809. Source: Mitchell and Dean (1962) 3-3 Model of AEG in an Industrial Society Four stages of Expansive Reproduction Structure Market Equilibrium Stage: Expanded production (due to supply capacity expansion) and expanded consumption (due to demand increase that creates equilibrium in the market) represent the scale of the economy or market. Gras (1939) claims that, the industrial capitalist era witnessed the excessive demand and the expansion of supply. 3-3 Model of AEG in an Industrial Society Four stages of Expansive Reproduction Structure Capital Accumulation Stage: It enables reinvestment into expansion by accumulating capital for the company and by increasing income for consumers. Increased profits enable higher wages to be paid, which increases the spending power of consumers. Reinvested toward the expansion of production capacity (plants and equipment) and the development of new technology (R&D), which can be commercialized lin the form of new products or improved current products. 3-3 Model of AEG in an Industrial Society Four stages of Expansive Reproduction Structure Expansion of Supply through Technological Innovation stage (1): Technologies for the improvement of existing products (which is quantitative) Technologies for the development of new products (which is qualitative) The quantitative one maintains the existing levels of production. The qualitative one creates added value through technological innovation. 3-3 Model of AEG in an Industrial Society Accelerating Economic Growth Figure 3 - 14 Qualitative Development in Accelerating Societies 3-3 Model of AEG in an Industrial Society Accelerating Economic Growth Figure 3 - 14 Qualitative Development in Accelerating Societies 3-3 Model of AEG in an Industrial Society Accelerating Economic Growth Figure 3 - 14 Qualitative Development in Accelerating Societies 3-3 Model of AEG in an Industrial Society Accelerating Economic Growth Figure 3 - 14 Qualitative Development in Accelerating Societies 3-3 Model of AEG in an Industrial Society Four stages of Expansive Reproduction Structure Expansion of Demand stage: a. An increase in existing demand as a result of an increase in the purchasing power of consumers. b. The creation of new demand that results from the release of new products. The creation of new demand is an important resource in an industrial society. 3-3 Model of AEG in an Industrial Society Four stages of Expansive Reproduction Structure Virtuous circle of expansive reproduction: There are clear causal relationships between these four stages of expansive reproduction. The release of new products (following investment in R&D and the creation of new demand because of increased consumer spending power and strong marketing campaigns) are the factors driving the qualitative aspect of economic growth. The qualitative aspect is an important causal factor that allows positive feedback in expansive reproduction to be sustained in industrial societies. 3-4 Conclusion Identification of the growth pattern that differentiates an industrial society from an agricultural society. AEG is a inherent curve in an industrial society. AEG is enabled by the virtuous cycle of expansive reproduction. Critical factor for a virtuous circle of expansive reproduction is technological innovation under sufficient capital accumulation. SUMMARY • • • • • • • Industrial societies are characterized by accelerating growth. Such growth is generated by expansive reproduction, a process by which economic growth occurs through the accumulation of capital, reinvestment, and technological innovation. Four stages constitute for a virtuous circle of expansive reproduction Especially technological innovation under capital accumulation is a key factor for a virtuous circle. This pattern of growth is fundamentally different from that of agricultural societies, which is decelerating. The findings presented herein provide both a more accurate understanding of economic growth patterns over time and a basis for the formulation of policy for achieving accelerating economic growth. 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