this study aims to investigate value conflicts between mothers and their daughters among families and influential factors on this conflict in yazd city. this study adopted a survey method and a questionnaire was used that its validity through construct validity (factor analysis) and its reliability by cronbach alpha were measured. the population of this study consists of all yazdian families th...

this research has been taken among the students of high school in karaj city during the years 1391 and 1392. this is a survey research and data gathering is through questionnaires. studying the “an analysis of students’ tendency toward non-native reference groups in karaj”. the questionnaire was distributed among 260 of these students who were chosen through multi step cluster sampling. conside...

assume ? ? l2(rd) has fourier transform continuous at the origin, with ˆ ?(0) = 1, and thatcan be represented by an affine series f = j>0 k?zd c j,k?j,k for some coefficients satisfying c 1(2) = j>0 k?zd |c j,k|2 1/2 <?. here ?j,k(x) = |deta j |1/2?(a jx ?k) and the dilation matrices a j expand, for example a j = 2j i. the result improves an observation by daubechies that t...

The aim of research is to investigate the effect of information asymmetry on the relationship between geographical location of firm and risk of stock price crash in the Iranian listed companies in Tehran stock exchange. For this Purpose, data of 110 listed companies was gathered and analyzed periodically in 2016. Distance Cosine index was used for geographical location, as the independent varia...

insurers have in the past few decades faced longevity risks - the risk that annuitants survive more than expected - and therefore need a new approach to manage this new risk. in this dissertation we survey methods that hedge longevity risks. these methods use securitization to manage risk, so using modern financial and insurance pricing models, especially wang transform and actuarial concepts, ...

In order to recognize the effective factors of employees' suggestion system in public organizations, a scientific research has been performed in the shape of a doctorate thesis in public management. The effort in this research is to try using a model in which the interference of intervening variables and even previous opinions of the researcher have the last effect on the research's results. As...

the purpose of this study is to investigate the relationships between teachers’ immediacy behaviors and iranian students’ willingness to talk in english classes. analysis of the results from willingness to talk scale represents a relatively high level of willingness to talk in english classrooms among iranian language learners. the total mean score of students’ willingness to talk was 66.3 ou...

In many economies, the export promotion is defined as the main paradigm for the economy and tax exemptions is one of the prevailing policies in order to protect infant industries and this policy has been employed in the Iranian economy, too. The paper tries to evaluate the success degree of this policy in the Iranian economy. In this regard, the micro-data in various commodity groups based on H...