The local Hurst exponent, a measure employed to detect the presence of dependence in a time series, may also be used to investigate the source of intraday variation observed in the returns in foreign exchange markets. Given that changes in the local Hurst exponent may be due to either a...

Universities represent a highly complex organizational structure that is beset with serious informational problems. A simplistic allocation rule based on university rankings is sometimes applied to fund disciplines/departments in order to promote efficiency. This study shows the pitfalls of...

Potential customers in customer markets are typically dichotomised into actual and prospective customers. If the firm holds its price firm, the actual customers hold their reserves/reservation price firm and repeat their purchases. On the other hand, prospective customers? reserves may be...

When asset returns conform to a Gaussian distribution, the moments of the distribution over long return intervals may be estimated by scaling the moments of shorter return intervals. While it is well known that asset returns are not normally distributed, a key empirical question concerns the...