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...

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...

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...

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,...

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...

In this paper we show how the use of a restricted number of coupons in the presence of different types of customers is an effective means of implementing a price discriminating policy. Hence, firm profits can be increased even when traditional price discrimination is forbidden.

This paper discusses different forms of transfer from a group of rich individuals to a group of poor individuals. This transfer is based on the philanthropic motive of the donor, who is not indifferent to the use of his contribution. In particular, the poor individual's vector of consumption is...

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...