in this paper, productivity of and demand for water throughout eqlid’s sugar beet growers in 1385 were investigated. to address the objective 100 growers were selected using two-stage cluster sampling, then required dataset was obtained by interviewing and completing questionnaire. in order to study factors affecting sugar beet production, cobb-douglas production function was applied. based on ...

Money demand determinants vary in every economy. There are many studies about Iran money demand function, which employed different variables and estimation methods. In this study, broad money (M2) is dependent variable and GDP, interest rate, exchange rate and household religious costs are descriptive variables. Household religious costs (urban and rural) are included in Iran money demand funct...

In the article “Comprehensive Forecast of Demand for Inter-regional Rail Freight Transport” by Alexander A. Shirov, Natalia N. Sapova, Elena S. Uzyakova, and Rafael M. Uzyakov, which appeared on pages 1–15 1, 2021 issue, Vol. 17, Acknowledgments section was omitted. online version paper following text added: The has been prepared with support a grant in form subsidy large scientific projects pr...

This paper focuses on the application of modern econometric techniques to a model of the demand for private housing in Ireland. The paper will firstly outline the theoretical econometric framework in order to explain the concept of cointegration within an economic model framework. The Johansen method for analyzing economic models is demonstrated and it is shown how the method can be applied to ...

Game theory is an efficient tool to represent and conceptualize the problems concerning conflict and competition. In recent years and especially for durable products, competition between domestic and foreign brands for gaining market share has received a considerable attention. This paper study electronic commerce concepts by differential game theory and introduce a novel and comprehensive mode...

By exploring of the multi-stage network design problem of comprehensive traffic, the paper proposes a bi-level programming model with uncertain demand. The upper level problem is to maximize the consumer surplus of all demand scenarios with budget constraint. While under the network investment decisions of the upper level problem, the lower level problem is to maximize the consumer surplus of e...

In a structural time series regression model, binary variables have been used to quantify qualitative or categorical quantitative events such as politic and economic structural breaks, regions, age groups and etc. The use of the binary dummy variables is not reasonable because the effect of an event decreases (increases) gradually over time not at once. The simple and basic idea in this paper i...