Mid-long term projections of the Stability Programs (SP) are elaborated to simulate the burden each active citizen or each worker will have to bear for financing, via pay-as-you-go, public health care provisions and public pensions. It is worth mentioning that projections in the (SP) are those...

This paper presents an integrated assessment study into global change and sustainable development. A global, integrated assessment model called TARGETS, is used to develop a range of global futures. The model is intended to assess a number of the most important links between social, economic and...

This paper presents an integrated assessment study into global change and sustainable development. A global, integrated assessment model called TARGETS, is used to develop a range of global futures. The model is intended to assess a number of the most important links between social, economic and...

This article puts forward an explanation of climate change within the context of global change. Climate change can be seen as the spearhead; as a manifestation of the increasing unsustainability of planet Earth. We consider some of the effects of this change, examining its uneven impact on...

This paper shows the ability of artificial neural network technology to be used for the approximation and prediction of crop yields at rural district and federal state scales in different climate zones based on reported daily weather data. The method may later be used to construct regional time...

It is known that when people generate externalities, a birth also generates an externality and efficiency requires a Pigou tax/subsidy on having children. The size of the externality from a birth is important for studying policy. We calculate the size of this "population externality" in a...

As its workforce ages and major economies shift towards producing higher value-added goods and services, New Zealand will face increasing challenges to remain globally competitive and maintain high living standards. Future growth will need to come increasingly from productivity gains, and...

This paper studies the impact of demographic shifts, energy prices and climate factors on Italian households� energy budget. The pattern of energy expenditure of Italian households is studied using the Italian Household Budget Survey. The expenditure for heating, private transport and...

Although environmental issues were not the main theme of most of Haavelmo's writings, issues related to the environment are discussed in many publications with a broader focus. Haavelmo was also concerned about continued rapid population growth, and argued at several occasions that continued...