The purpose of this test is to determine the effects of a substance on the growth of freshwater microalgae and/or cyanobacteria. Exponentially growing test organisms are exposed to the test substance in batch cultures over a period of normally 72 hours. The system response is the reduction of...

At OECD Forum 2001, some 1,500 representatives of civil society, government, business and labour came together to discuss the critical policy challenges of sustainable development and the new economy. Svend Auken, Danish Minister for the Environment and Energy, captured the spirit of the Forum...

How is innovation transforming tourism business models? By tackling the subject of innovation, this report touches upon an important dimension of tourism economics rarely examined at the international level. It provides information about the dynamics and characteristics of innovation in tourism,...

Capital - in particular of the physical sort - plays several roles in economic life: it constitutes wealth and it it provides services in production processes. Capital is invested, disinvested and it depreciates and becomes obsolescent and there is a question how to measure all these dimensions...