Abstract Many scholars believe that investment in women’s education not only reduces the gender gap, but also improves and enhances the cultural and educational level of women in the society. Furthermore, economists believe that women’s education has a positive effect on their participation in the labor market. Education is amongst the most important factors which not only benefits the people...

The stock evaluation process plays an important role in portfolio selection because it is the prerequisite for investment and directly influences on the stock allocation. This paper presents a methodology based on Data Envelopment Analysis for portfolio selection, decision making units which can be stocks or other financial assets. First, DMUs efficiencies are computed based on input/output com...

in this paper, considering the importance of opinion leadership and use of social networks for marketing, over 90 articles are studied and a comprehensive review of different studies in this area has been done. studies show that different titles such as opinion leader, influential people, market maven and key player are used to refer to influential groups in social networks. notwithstanding the...

We consider a tournament arising out of a matching market. On one side of the market, aspirants who are differentiated in ability choose a level of output. Under assortative matching, higher output leads to a better match. Thus, rather than a “winner-take-all” tournament, there are multiple ranked rewards. That is, the participant with the highest output gets highest reward (the best match), th...

We consider a model of a sector in which the same set of oligopolistic firms faces a common labour supply constraint. The wage is given in the short run, adjusting competitively in the longer run. When the costs of job creation are low relative to the degree of output market power, there exists no wage that clears the labour market in the short run, and at some wages there are two equilibria, o...

In a sector in which oligopolistic firms face a sector-specific labour supply constraint, there may be no marketclearing wage. Instead, at some wages, there can be two equilibria, one with involuntary unemployment and one with unfilled vacancies.

In the open-pit mining, one of the first decisions that must be made in production planning stage, after completing the design of final pit limits, is determining of the processing plant cut-off grade. Since this grade has an essential effect on operations, choosing the optimum cut-off grade is of considerable importance. Different goals may be used for determining optimum cut-off grade. One of...

iranian banks can not freely determine their interest rates in the financial market. this characteristic causes banking industry unable to perform their duties of financial intermediaries in the transmission mechanism of monetary. in these circumstances, monetary shocks will have a significant and high effect on the alternative markets (like stocks and housing). in this study, we used dynamic s...