Akademik Veri Yönetim Sistemi
Technological Forecasting and Social Change, cilt.77, sa.4, ss.594-614, 2010 (SSCI)
The vast heterogeneity among nations in terms of economic and demographic characteristics is evident, despite being overlooked in some global studies. In this heterogeneity, it is possible to identify some distinct aggregate classes differing at some very fundamental level: developing (South) nations and developed (North) nations may have very different, asymmetric problems, goals and structures. This study investigates these two distinct groups of socio-economic systems, as they interact in a context of global sustainability. We identify population, economic growth, welfare gap, energy supply and pollution as key issues and analyze them using a systems perspective. A dynamic feedback model, which discriminates the two groups of nations, is constructed to study the dynamics of variables related to the above key issues. The model is tested using extensive data between the years 1980-2005. According to the reference behavior covering the period 1980-2050, it is not viable to close the welfare gap between North and South, given the current prevailing non-renewable-resource-based growth system. A non-renewable-resource-based system adopted by the economic system of growing South would take the global system even closer to its limits. It is observed that indicators like reserve-to-demand ratio fail to provide reliable signals for a timely transition to alternative resources, and a very serious economic recession due to resource scarcity is likely to develop in the next couple of decades. By coupling the demographic and economic dynamics, it is shown that an economic slowdown due to a resource scarcity may have a dramatic widening effect on the already existing welfare gap. Scenario and policy experiments verify the widely accepted importance of stabilizing the population growth in South, transition to alternative energy resources, and investment support to the South in this transition simultaneously in order to reduce the welfare gap between the two blocks. It is observed that enthusiastic targets for an energy transition may have a serious negative impact on the welfare level experienced in South, whereas an energy transition in South supported by North seems to have the most desirable outcome regarding the welfare gap. © 2009 Elsevier Inc.