Events that directly affect stock indices are of considerable importance to various index instruments such as ETFs and index funds. One of the most important of such events involves updating the index, which takes place once or twice per year. The effect this has on the capital markets is known...

The stock index is the basis for the existence of index instruments, such as ETFs and index funds. Therefore, every event in the index is a significant event which has many implications in the investment world. An important event is the index update which occurs every six months. The update of...

Ordering costs are usually considered as fixed costs. For the case of one seller and two identical buyers, we examine ordering charges that are proportional to the number of units ordered. We find that no extra profits will be generated, neither for the producer nor for the retailers. Thus,...

This study investigates the impact of information technology on common stock returns and trading volume. By focusing mainly on the peak period of the hi-tech phenomenon, the findings imply that the market response to website launching is positive. During the event day and the two preceding days,...

The paper analyzes the options open to monopoly firms that sell Internet services. We consider two groups of customers that are different in their reservation prices. The monopoly uses price discrimination between customers by producing two versions of the product at positive price for...

The paper analyses the options open to monopoly firms that sell software or internet service. We consider customers who have different reservation prices that are rectangularly distributed. The monopoly in general undertakes sustainable price discrimination between customers by producing two...

During the last decade the world has faced a tremendous development of information technology and telecommunication. This study investigates the impact of rumours (released on the web) on common stock returns. The findings indicate that the market responds positively to rumours. During the event...

Purpose – The purpose of this paper is to measure the social loss occurring due to the inability of the government to use the real public demand function. Design/methodology/approach – The authors developed a model that enables maximization of the public utility of a given public budget by...

The demand for security depends on several socioeconomic characteristics such as income, property, family size that may affect the demand for pure public security or private security. In the case of a homogeneous population, the identical demands lead to an equal use of the shared public good...

This paper examines pricing policy, quality levels, consumer surplus and social welfare for the monopoly and non-monopoly case. It is shown that given certain realistic assumptions, the network industry under unregulated monopoly would yield more social welfare than in the case of several...