Niedrige Geburtenraten und eine gleichzeitige Steigerung der Lebensdauer führen in Zukunft zu einer erheblichen Veränderung der Altersstrukturen auf dem Arbeitsmarkt. In seinem Kommentar befasst sich Hartmut Buck, Fraunhofer IAO, Stuttgart, mit der Frage, wie mit einem steigenden Anteil...

Das ifo Institut befragte im Auftrag der WirtschaftsWoche rund 600 Manager aus den Wirtschaftsbereichen Industrie, Bau, Handel und Dienstleistung nach ihren Einschätzungen der konjunkturellen Entwicklung im Jahr 2013 sowie zu ihren Investitions- und Beschäftigungsplänen für das neue Jahr....

Die Sonderfrage im zweiten Quartal 2014 thematisiert die Folgen der neuen Regelungen zur Rente mit 63 in den Unternehmen. Der Beitrag stellt die Ergebnisse dieser Befragungen vor.

This paper offers a stylized model in which an agency is in charge of investing in road capacity and maintain it but cannot use the capital market so that the only sources of funds are the toll revenues. We call this the strict self-financing constraint in opposition to the traditional self...

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Cost-benefit analysis have been attacked by many critics because of its implicit ethical assumptions. The normative content of the method is at odds with the common attitude that economists should analyze how to reach given goals, while determination of the goals should be left to the...

We use a CGE model to estimate the social cost of a marginal increase in public expenditure in Norway. Norway exemplifies an economy with high taxes. Distortionary taxes imply wedges between the market prices and the corresponding shadow prices. The shadow prices are unobservable, which is the...

The South African government currently faces the dual problems of climate change mitigation and the rollout of electricity provision to rural, previously disadvantaged communities. This paper investigates the economic efficiency of the implementation of concentrator photovoltaic (CPV) technology...

Wetlands all over the world have been lost or are threatened in spite of various international agreements and national policies. This is caused by: (1) the public nature of many wetlands products and services; (2) user externalities imposed on other stakeholders; and (3) policy intervention...

Unreliable travel times cause substantial costs to travelers. Nevertheless, they are not taken into account in many cost-benefit-analyses (CBA), or only in very rough ways. This paper aims at providing simple rules on how variability can be predicted, based on travel time data from Dutch...