Comparative price level indices are the ratios of purchasing power parities to market exchange rates. At the level of GDP, comparative price levels provide a measure of the differences in the general price levels of countries. This indicator is measured as an index.

Energy efficiency is widely recognised as the most cost-effective and readily available means to address numerous energy-related issues, including energy security, the social and economic impacts of high energy prices, and concerns about climate change. At the same time, energy efficiency...

Energy efficiency is high on the political agenda as governments seek to reduce wasteful energy consumption, strengthen energy security and cut greenhouse gas emissions. However, the lack of data for developing proper indicators to measure energy efficiency often prevents countries from...

On the surface there is agreement, sustainable development refers to a broad set of issues, going beyond the relationship between the economy and the environment to encompass human and social concerns. Scratch the surface and you open a Pandora's box of differing notions of sustainability and...

The indicators presented, (see indicators' description below), refer to inventions filed in one or more jurisdictions (family size 1 or greater) or in two or more jurisdictions (family size 2 or greater). A patent family is defined as the set of all patent applications protecting the same...