Recently, the International Commission on Illumination (CIE) has adopted a range of 15 standard sky distributions representing the whole probable spectrum of actual skies in the world. Each sky standard has its own well-defined sky luminance pattern which can be conveniently used to calculate...

The OECD Growth Study and other empirical work have shown that the strength of competition in product markets plays an important role in the economic growth process as well as contributing to a more efficient allocation of resources in a static sense. More intense competition is likely to...