We present a theoretical model that enables to predict population distribution according to fertility and survival rates for each age group. Using World Bank data, we estimated the relation between fertility rate of change and survival probabilities. Our findings show that fertility rate of...

In this paper, we calculated the average daily return and the Betas of Israeli stocks for the period April 1st 2009 – April 1st 2010. The correlation coefficient between return and Beta is 0.47. Although we find that the econometric relation between return and Beta is statistically...

Purpose – The purpose of this paper is to construct a theoretical framework for analyzing the connection between economic growth, demand for medical care, and economic health. Design/methodology/approach – The economy is composed of two sectors, one of medical care goods and the other of...

In this paper, using Israeli soccer tournament results from 2009/2010 and an ordered dependent estimation model I calculated for each team, in each game played during the season, the a priori probability of a win, loss or a tie as a function of lag performance. Given these probabilities, the...

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,...

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...