...Martin D. Mileros; Robert Forchheimer Purpose Personal data is today recognized as an asset in the digital economy, generating billion-dollar annual revenues for many companies. But how much value do users derive from their seemingly free apps (zero-price services), and what user costs...

... the 4G enabled devices. Originality/value Although many studies in the literature estimated the implicit price of mobile phone attributes, none of these had explicitly assessed the impact of network mode generation of mobile phones on their prices. Value Mobile communications systems Pricing...

..., or demerged part of its activities. Nevertheless, there can be no doubting the overall picture depicted by the table. As can be seen, 11 companies listed in Table II lost over half their value during 2000 (b to c) – with the worst performers respectively Yahoo! and Lucent Technologies – while only a modest...

... is that there has been a widespread write‐down in the capital values of telecommunications companies of all kinds on a scale that has few, if any equals in other sectors. The article analyses the reasons for this phenomenon, concentrating upon the issue of indebtedness. Data are presented on a variety of indicators...