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There is a surprising gap in the economic literature on social capital. First, we lack studies addressing the effects of social capital on those facets of development that can contribute in making growth more sustainable in the long run, like, for example, human development and social cohesion. Second, it is still unclear what type of networks may exert a positive effect on the different dimensions of development. In particular, the literature has not yet provided a rigorous assessment of the role of strong family ties, that are generally referred to as a form of bonding social capital causing backwardness. This paper investigates the relationship between the three types of social capital so far identified by the literature (i.e. bonding, bridging and linking), and the “quality” of economic development, as expressed by human development and an index of social well-being summarizing the state of health of urban ecosystems, public services, gender equality, and labour markets. The empirical analysis is articulated in two stages carried out by means of a multivariate analysis and of a structural equations models analysis. The results suggest that the linking social capital shaped by voluntary organizations has significantly positive effect on human development, but is irrelevant for social well-being. The bonding social capital shaped by strong family ties negatively affects human development, but significantly fosters the quality of life, mainly through a reduction of workers' precariousness. The bridging social capital of weak ties connecting friends and acquaintances follows the pattern of bonding social capital: it is reinforced by strong family ties and has significantly negative effect on human development. [ABSTRACT FROM AUTHOR]

ABSTRACT In the light of Italy's current economic stagnation, characterized by mass unemployment, especially in the south, the development of effective energy policies should be seen as an opportunity of reducing energy dependency, so as to increase competitiveness and sustainability. However, due to imbalances in development in the country, focus at the national level does not reveal particular characteristics of the different regions. In this context, the definition of specific energy actions should be based on information and analyses that refer to integrated and multi-level perspectives, such as regional and sectoral levels. Here we investigate, by applying a multi-scale integrated analysis of societal metabolism approach, the imbalanced nature of development, coupled with energy consumption, of two Italian regions, Veneto (northern Italy) and Abruzzo (southern Italy). Changes over time (1995-2007), related to both socio-economic and biophysical indicators, are analysed at multiple levels: region, economic sectors, and production and consumption. The results show that different structural changes and challenges are needed to meet energy efficiency, depending on the diverse level of regional development. They provide support for the future development of effective Regional Energy Plans, as well as to identify potential local barriers to achieving regional competitiveness and sustainability. Copyright © 2012 John Wiley & Sons, Ltd and ERP Environment. [ABSTRACT FROM AUTHOR]