نتایج جستجو برای: return period

تعداد نتایج: 558616  

Journal: :International Journal of Energy Economics and Policy 2022

The use of extreme value theory (EVT) is usually aimed at quantifying the asymptotic behaviour quantiles. generalised Pareto distribution (GPD) with peaks-over-threshold (POT) approach applied to bootstrap uncertainty intervals for return periods daily electricity consumption in South Africa. leeway extremes on studied here impetus behind this study. To examine effect a time-based and non-stati...

ژورنال: علوم آب و خاک 1999
موسوی, سیدفرهاد, اسلامیان , سیدسعید, جمشیدنژاد عنبرانی, جعفر , رستم, ناصر ,

Estimation of flood flow rate represents a method of preventing damages associated with this natural phenomenon. This estimation is one basis in the design of various hydraulic structures, dam spillways, watershed management and flood control. The maximum flow rate of floods is determined by methods such as Creager, Jarvis-Meyer, Cypress-Creek, and rational method. Rational-probability method i...

Journal: :مرتع و آبخیزداری 0
سیدهاشم حسینی استادیار گروه منابع طبیعی و کشاورزی، دانشگاه آزاد اسلامی واحد تربت جام، ایران. مجید عباسی زاده استادیار گروه منابع طبیعی، دانشگاه آزاد اسلامی واحد ارسنجان، ایران. محمدرضا خالقی استادیار گروه منابع طبیعی و کشاورزی، دانشگاه آزاد اسلامی واحد تربت جام، ایران.

in regions with deficient or no data, it is necessary to apply indirect methods to estimate the peak flow. regional flood analysis is the most accurate and reliable technique in such cases. one of the regional flood methods for flood analysis in arid and semi arid regions is hybrid technique, which was applied on data of khorasan razavi province watersheds to estimate the peak flow. hybrid meth...

موسوی, سیدفرهاد, اسلامیان , سیدسعید, جمشیدنژاد عنبرانی, جعفر , رستم, ناصر ,

Estimation of flood flow rate represents a method of preventing damages associated with this natural phenomenon. This estimation is one basis in the design of various hydraulic structures, dam spillways, watershed management and flood control. The maximum flow rate of floods is determined by methods such as Creager, Jarvis-Meyer, Cypress-Creek, and rational method. Rational-probability method i...

Journal: :iranian journal of pharmaceutical sciences 0
abbas kebriaeezadeh department of pharmacoeconomics and pharmaceutical management, faculty of pharmacy, tehran university of medical sciences saman zartab department of pharmacology, tehran university of medical sciences s.farshad fatemi graduate school of management and economics, sharif university of technology ramin radmanesh department of pharmacoeconomics and pharmaceutical management, faculty of pharmacy, tehran university of medical sciences

stock return is usually considered to be affected by firm’s financial ratios as well as economic variables. fundamental method assume that stock returns is not solely related to the stock market. most result come from the company condition , industry situation and whole economy. in this paper, this relationship between stock return and fundamentals is studied using the data for 22 pharmaceutica...

Much research has introduced linear or nonlinear models using statistical models and machine learning tools in artificial intelligence to estimate Iran's rate of return. The primary purpose of these methods is simultaneously use different independent variables to improve stock return rates' modeling. However, in predicting the rate of return, in addition to the modeling method, the degree of co...

2007
Emanuel Derman Kun Soo Park

A lockup period for investment in a hedge fund is a time period after making the investment during which the investor cannot freely redeem his investment. It is routine to have a one-year lockup period, but recently the requested lockup periods have grown longer. Assuming that the investor will rebalance his portfolio of hedge funds on a yearly basis, if permitted, we define the annual lockup p...

The current study is an attempt to estimate markup and return to scale of 19 two-digit ISIC manufacturing industries of Iran, simultaneously, in accordance to Solow Residual and Structural approach, during the period 1995-2007. Based on Solow Residual approach, the neoclassical assumption of constant return to scale is approved within 95% of manufacturing industries; however in 84% of industrie...

Journal: :Jurnal Ekonomi dan Bisnis Islam (Journal of Islamic Economics and Business) 2019

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