The purpose of the present article is to examine the relationship between social capital and the economic performance of Iran analytically and experimentally. The theory of this study is. Besides the other factors like physical and human capital, social capital (taken as mutual trust among people and economic units) is an important factor that could help define the differences in the economic g...

The issue of uncertainty and its economic impact is one of the topics that economic researchers have considered in recent years. In conditions of uncertainty, the decision of economic units to produce, consume and invest, etc., is different from normal conditions. This study aims to determine the index of economic uncertainty for Iran according to the channels of its impact on the economy. Ther...

having conducted the experiment and analysed the data, the researcher computed the groups mean scores and variances for the test relating to the research question. as the final atep, a t-test was conodonted for the hypothesis. as noted earlier, the significance level was determined at .05 and .01 respectively. the observed t-value was higher than the critical t-value at. 5 and .01 levels. conse...

abstract: the potato tuberworm, phthorimaea operculella (zeller), is an important insect pest of potato (solanum tuberosum l.) in the storage and field in most parts of the world especially in tropical and subtropical regions due to its close relationship with the host, high reproductive potential and high economic losses. information on host preference, life table parameters and digestive en...

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...