Today, large collections of digital music plays are available. These audio data are time series which need to be indexed and classified for diverse applications. Indexing and classification differs from time series analysis, in that it generalises several series, whereas time series analysis...

Declining R&D intensities at the national level coincide with growing international technological links. Deviations of individual OECD countries from the average R&D intensity reflect differences in industry structure as well as in sectoral R&D intensity. At the same time, the sectoral...

Efficiencies have yet not played a prominent role in American merger enforcement policy, although the federal antitrust agencies and the courts have recognized efficiencies as a factor in merger analysis that may tilt the balance in an otherwise anticompetitive transaction. A review of the...