We measure the influence of different time-scales on the intraday dynamics of financial markets. This is obtained by decomposing financial time series into simple oscillations associated with distinct time-scales. We propose two new time-varying measures of complexity: 1) an amplitude scaling exponent and 2) an entropy-like measure. We apply these measures to intraday, 30-second sampled prices ...

The modern marketing-oriented concept is the outcome of different philosophies which prevailed, from time to time in the marketing management domain. In the present marketing-oriented stage, which ultimately results in customer-orientation, companies give importance to customers’needs and wants. However, there are still few firms who emphasise on selling products irrespective of the fact that w...

Humans react strongly to unfairness, sometimes rejecting inequitable proposals even if this sacrifices personal financial gain. Here we explored whether emotional dispositions--trait tendencies to experience positive or negative feelings--shape the rejection of unfair financial offers. Participants played an Ultimatum Game, where the division of a sum of money is proposed and the player can acc...

Deregulation of financial systems, internationalisation of financial markets and globalisation of product markets have led to considerable changes in the institutional and economic environment of banks and small and medium sized enterprises (SMEs). In this paper we examine the impact of these overall changes on the evolution of the exclusive „Hausbank“-relationship in Germany and the loose „fou...

A psychological contract is an agreement between the employer and an employee that covers the parties’ informal and frequently non-verbalized obligations and expectations towards each other. The contract is a cognitive pattern-governing employee’s behaviour in the organization. A gap between employee’s expectations and the organizational reality may lead to difficult-tosolve conflicts or cause ...

BACKGROUND Multiple concurrent sexual relationships are one of the major challenges to HIV prevention in Tanzania. This study aims to explore sexual behaviour patterns including the practice of multiple concurrent sexual partnerships in a rural Tanzanian setting. METHODS This qualitative study used focus group discussions and in-depth interviews with men and women from the community as well a...

Stock markets are very important in modern societies and their behaviour have serious implications in a wide spectrum of the world’s population. Investors, governing bodies and the society as a whole could benefit from better understanding of the behaviour of stock markets. The traditional approach to analyze such systems is the use of analytical models. However, the complexity of financial mar...