Filtered log-periodogram regression estimation of the fractional differencing parameter d is considered. Asymptotic properties are derived and the effect of filtering on d is investigated. It is shown that the estimator by Geweke and Porter-Hudak (1983) can be improved significantly using a...

The author investigated the main methods used for making IT-related investment decisions. In the view of these methods it can be said that no method was found that would help to make investment decisions 'routinelike'. The use of traditional financial indicators – which would be suitable for...

The use of the Internet as a shopping channel is becoming very important in the world of business. Marketers are incorporating the online channel to their set of traditional offline channels to reach new customers and improve the services offered to current ones. Consumers are discovering the...

Call centers' managers are interested in obtaining accurate forecasts of call arrivals because these are a key input in staffing and scheduling decisions. Therefore their ability to achieve an optimal balance between service quality and operating costs ultimately hinges on forecast accuracy. We...

Interest rate risk is the exposure of a bank's financial condition to adverse movements in interest rates. Changes in interest rates affect a bank's earnings by changing its net interest income and also affect the underlying value of the bank's assets, liabilities and off-balance sheet...

The paper aims to investigate the role of capital adequacy in the economics of banking firms. The first section reviews the literature. The second section evaluates the different drivers of the bank capital regulation

An important concern is that algorithms can inadvertently discriminate against minority groups and reinforce existing inequality. Typically, the worry is that when classification algorithms are trained on a dataset that itself reflects bias this may reinforce bias. However, in the world of...

Theoretical research on internal capital markets suggests an important role for internal information quality in the capital allocation process within conglomerates. Direct empirical evidence, however, has been sparse, largely because informational frictions inside firms are difficult for...

We hypothesize, and examine empirically, two types of association between organization capital and firm life cycle. Are firms with high organization capital more likely to be in a particular stage of their life cycle than firms with low organization capital? Are firms' transitions from one life...

The development of Internet brought in revolutions in pricing models in the digital music industry. Currently, there are three common schemes to sell digital music: ownership, subscription and mixed pricing models. Our paper aims to explore and compare the three pricing models. Through a...