This paper presents a study of Artificial Neural Network (ANN) and Bayesian Network (BN) for use in stock index prediction. The data from Nigerian Stock Exchange (NSE) market are applied as a case study. Based on the rescaled range analysis, the neural network was used to capture the...

We investigate the impact of agent communication networks on prices in an artificial stock market. Networks with different centralization measures are tested for their effect on the volatility of prices. Trading strategies diffuse through the different network topologies, mimetic contagion...

Contemporary research documents various psychological aspects of economic thought and decision-making. The main goal of our study is to analyze the role of the hindsight bias (Fischhoff [20]) and the anchoring bias (Tversky and Kahneman [53]) in perceiving economic and financial information,...

In October 2002, a substitution reform was introduced in the Swedish pharmaceuticals market. In this paper, the effects of increased price competition due to the reform on the entry of new pharmaceutical products were studied. The results show that the reform did affect the entry behavior of...

Das amerikanische Politmagazin Foreign Policy befragte zwischen August und September 2012 insgesamt 62 bekannte US-Ökonomen, worin sie die Hauptursache für die schleppende Erholung des Arbeitsmarkts sehen. Am häufigsten genannt wurde "Unsicherheit" (31 Prozent). Was ist mit diesem Begriff...

Disclosure of private medical information allows insurance companies to better predict medical expenditures. The premiums the companies charge the insured employees reflect these expenditures. This paper studies incentives of employees to disclose their medical information. I find that healthier...

The Brundtland Report (1987) is the first formalization of the relationship between development and environment: "Development is sustainable if it meets the needs of present generations without compromising the ability of future generations to meet their own needs." In the sixties and seventies,...