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Substitution between fixed-line and mobile access : the role of complementarities

Grzybowski, Lukasz; Verboven, Frank - 2014

Persistent link: https://www.econbiz.de/10010382123

Modern day slavery : what drives human trafficking in Europe?

Hernández, Diego; Rudolph, Alexandra - 2011 - Rev. November 2011

At a time of increased attention on the international agenda for human trafficking, this paper examines the determinants of human trafficking inflows to 13 European countries based on official records. By employing a fixed effects zero-inflated, negative binomial gravity-type model, we address...

Persistent link: https://www.econbiz.de/10010349163

Die Einführung und Nutzung des Telefons in der Industrie des Deutschen Reiches, 1880-1939 : eine Untersuchung westdeutscher Großunternehmen

Reinke, Herbert - 1988

While the history of the public telephone system at the end of the 19th and the beginning of the 20th century is … relatively well documented, the introduction and the uses of the telephone in large firms are seldom examined in histories of the … telephone and research on the development of communication systems. The current paper deals with the implementation of the …

Persistent link: https://www.econbiz.de/10011418334