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Real-time wireless acquisition of process data

Zhang, Ye - 2011

This study discusses a novel method called automatic process measurement, which is based on the idea of mining process … data from workflow logs. We improve the process mining technique by using Bluetooth wireless technology to do real …

Persistent link: https://www.econbiz.de/10010333095

Testing the significance of calendar effects

Hansen, Peter Reinhard; Lunde, Asger - 2003

correlation structure, and its main advantage is that it is capable of producing data-mining robust significance. We apply the …

Persistent link: https://www.econbiz.de/10010318856

Stock picking via nonsymmetrically pruned binary decision trees

Andriyashin, Anton - 2008

Stock picking is the field of financial analysis that is of particular interest for many professional investors and researchers. In this study stock picking is implemented via binary classification trees. Optimal tree size is believed to be the crucial factor in forecasting performance of the...

Persistent link: https://www.econbiz.de/10010263732

Withering academia?

Frey, Bruno S. - 2010

, increased division of labor in research, intense publication pressure, academic fraud, dilution of the concept of 'university …

Persistent link: https://www.econbiz.de/10010274980

What drives taxi drivers? A field experiment on fraud in a market for credence goods

Balafoutas, Loukas; Beck, Adrian; Kerschbamer, Rudolf; … - 2011

measure different types of fraud and to examine the influence of passengers' presumed information and income on the extent of … fraud. Results reveal that taxi drivers cheat passengers in systematic ways: Passengers with inferior information about …. Higher income seems to lead to more fraud. …

Persistent link: https://www.econbiz.de/10010274989

What drives taxi drivers? A field experiment on fraud in a market for credence goods

Balafoutas, Loukas; Beck, Adrian; Kerschbamer, Rudolf; … - 2011

Persistent link: https://www.econbiz.de/10010294777

Price competition and reputation in credence goods markets: Experimental evidence

Mimra, Wanda; Rasch, Alexander; Waibel, Christian - 2016

customers. As experts provide both diagnosis and treatment, this leaves scope for fraud. We experimentally investigate how … to defraud his customers when the expert can build up reputation. We show that the level of fraud is significantly higher … competition. More customer information does not necessarily decrease the level of fraud. …

Persistent link: https://www.econbiz.de/10011753240

What drives fraud in a credence goods market? Evidence from a field study

Rasch, Alexander; Waibel, Christian - 2013

This paper investigates the impact of four key economic variables on an expert firm’s incentive to defraud its customers in a credence goods market: the level of competition, the expert firm’s financial situation, its competence, and its reputational concerns. We use and complement the...

Persistent link: https://www.econbiz.de/10011753243

Do newspaper articles on card fraud affect debit card usage?

Kosse, Anneke - 2011

This paper investigates the impact of newspaper publications about debit card skimming fraud on debit card usage in the … phenomenon of skimming fraud significantly affect the number of debit card payments. The direction of the effect depends on the … type of skimming fraud addressed. Newspaper articles on fraud at points-of-sale (POS) and ticket machines depress the …

Persistent link: https://www.econbiz.de/10011605435

Fraud and Financial Markets: The 1997 Collapse of the Junior Mining Stocks

Brown Jr., William O.; Burdekin, Richard C.K. - 1999

The Vancouver Composite Index fell by over 25% in less than six weeks during spring 1997 as the junior mining sector … claims, previously believed to contain the world's largest gold deposit, were shown to be pure fraud. Our event study, based …

Persistent link: https://www.econbiz.de/10010334615