نتایج جستجو برای: 20 percent had constant returns to scale and 10 percent decreasing returns while therefore
تعداد نتایج: 18524132 فیلتر نتایج به سال:
This study is the first to simultaneously analyze the relation between aggregate stock market returns and cash flows of the various investor groups that constitute the entire stock market in the United States. We examine the relation between investor flows and stock market returns over a long time period from 1952 to 2004, and also examine the relation between investor flows and longer-term sto...
this research identifies returns to scale (rts) of efficient decision making units (dmus) with desirable (good) and undesirable (bad) inputs and outputs by presenting a new dea (data envelopment analysis) approach. in this study, we first introduce a new input-output oriented model to determine efficient dmus in the presence of undesirable factors and then, returns to scale of these dmus are es...
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...
this paper attempts to compare the forecasting performance of the arima model and hybrid arma-garch models by using daily data of the iran’s exchange rate against the u.s. dollar (irr/usd) for the period of 20 march 2014 to 20 june 2015. the period of 20 march 2014 to 19 april 2015 was used to build the model while remaining data were used to do out of sample forecasting and check the forecasti...
Why Are the Returns to Education Higher for Entrepreneurs than for Employees? We compare the returns to education (RTE) for entrepreneurs and employees, based on 19 waves of the NLSY database. By using instrumental variable techniques (IV) and taking account of selectivity, we find that the RTE are significantly higher for entrepreneurs than for employees (18.3 percent and 9.9 percent, respecti...
Introduction: The operating room efficiency is one of the main factors in determining hospital expenses leading to an increase in the capacity of operating rooms, along with an increase in quality and enhanced financial capacity of hospitals. The purpose of this study was to determine the efficiency of operating rooms of teaching hospitals of Shiraz University of Medical Sciences. Methods: Thi...
We use a model of real-time decentralized information processing to understand how constraints on human information processing affect the returns to scale of organizations. We identify three informational (dis)economies of scale: diversification of heterogeneous risks (positive), sharing of information and of costs (positive), and crowding out of recent information due to information processing...
This paper examines the eff ect of neighborhood diversity on the nativity gap in homevalue appreciation in Australia. Specifi cally, immigrant homeowners experienced a 41.7 percent increase in median home values between 2001 and 2006, while the median value of housing owned by the native-born increased by 59.4 percent over the same period. We use a semi-parametric decomposition approach to asse...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید