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Collective Consuming: Consumers as Subcontractors on Electronic Markets

Dolfsma, Wilfred - Erasmus Research Institute of Management (ERIM), … - 2005

In this article, contrary to popular belief, it is argued on the basis of Transaction Cost Economics that consumers will become dependent subcontractors on electronic markets. Consumers invest time and effort building up a relation with a producer or e-tailer; an investment that is...

Persistent link: https://www.econbiz.de/10010837616

Institutional Forecasting: The Performance of Thin Virtual Stock Markets

van Bruggen, van Bruggen, G.H.; Spann, Spann, M.; … - Erasmus Research Institute of Management (ERIM), … - 2006

We study the performance of Virtual Stock Markets (VSMs) in an institutional forecasting environment. We compare VSMs to the Combined Judgmental Forecast (CJF) and the Key Informant (KI) approach. We find that VSMs can be effectively applied in an environment with a small number of knowledgeable...

Persistent link: https://www.econbiz.de/10010730880

An Improved Estimator For Black-Scholes-Merton Implied Volatility

Hallerbach, Winfried - Erasmus Research Institute of Management (ERIM), … - 2004

We derive an estimator for Black-Scholes-Merton implied volatility that, when compared to the familiar Corrado & Miller [JBaF, 1996] estimator, has substantially higher approximation accuracy and extends over a wider region of moneyness.

Persistent link: https://www.econbiz.de/10010730867

From Skews to a Skewed-t

de Jong, de Jong, C.M.; Huisman, Huisman, R. - Erasmus Research Institute of Management (ERIM), … - 2000

-style options. We introduce a skewed version of the Student-t distribution, whose main advantage is that its shape depends on only … to compare different distributions and use the parameters as inputs to price other options. We explain the method … provides a better fit to market prices of options than the Shimko or implied tree models, and has a lower computation time than …

Persistent link: https://www.econbiz.de/10010731324

Informed Option Trading Strategies

de Jong, de Jong, C.M. - Erasmus Research Institute of Management (ERIM), … - 2001

lower price errors in the underlying. The more popular options are, the more quickly information is incorporated in the …

Persistent link: https://www.econbiz.de/10010731401

Towards autonomous decision-making: A probabilistic model for learning multi-user preferences

Peters, Peters, M.; Ketter, Ketter, W. - Erasmus Research Institute of Management (ERIM), … - 2013

’ inability to faithfully capture human preferences. We present a computational preference model that learns unobtrusively from …

Persistent link: https://www.econbiz.de/10010837578

The 2012 Power Trading Agent Competition

Ketter, Ketter, W.; Collins, Collins, J.; Reddy, Reddy, P. - Erasmus Research Institute of Management (ERIM), … - 2012

This is the specification for the Power Trading Agent Competition for 2012 (Power TAC 2012). Power TAC is a competitive simulation that models a “liberalized” retail electrical energy market, where competing business entities or “brokers” offer energy services to customers through tariff...

Persistent link: https://www.econbiz.de/10010730851

The Power Trading Agent Competition

Ketter, Ketter, W.; Collins, Collins, J.; Reddy, Reddy, P. - Erasmus Research Institute of Management (ERIM), … - 2011

Persistent link: https://www.econbiz.de/10010730944

The 2013 Power Trading Agent Competition

Ketter, Ketter, W.; Collins, Collins, J.; Reddy, Reddy, P. - Erasmus Research Institute of Management (ERIM), … - 2013

This is the specification for the Power Trading Agent Competition for 2013 (Power TAC 2013). Power TAC is a competitive simulation that models a “liberalized” retail electrical energy market, where competing business entities or “brokers” offer energy services to customers through tariff...

Persistent link: https://www.econbiz.de/10010730957

Allocation and Productivity of Time in New Ventures of Female and Male Entrepreneurs

Verheul, Ingrid; Carree, Martin Anthony; Thurik, Roy - Erasmus Research Institute of Management (ERIM), … - 2007

distinguishes between effects of preferences and productivity on the number of working hours. Using data of 1,158 entrepreneurs we …

Persistent link: https://www.econbiz.de/10010731316