Results 71 to 80 of about 4,301 (186)
An application of Markowitz theorem on Tehran Stock Exchange
During the past 65 years, there have been tremendous efforts on portfolio selection problem. The standard Markowitz mean–variance model to portfolio selection includes tracing out an efficient frontier, a continuous curve demonstrating the tradeoff between return and risk.
Hassan Ghodrati, Mohammad Abbasi
openaire +2 more sources
Abstract This study aimed to evaluate the effects of dietary 1,8‐cineole (CIN) on Nile tilapia, Oreochromis niloticus, reared at different stocking densities. Fish (average initial weight 13.2 ± 0.35 g) were fed diets supplemented with 0%, 0.25%, or 0.5% CIN and stocked at either 14 (normal) or 56 (high) fish per 120‐L tank.
Alireza Afzali‐Kordmahalleh +4 more
wiley +1 more source
Federalism in Post‐Assad Syria: Toward Durable Peace in a Pluralist Society
Abstract Syria's civil war has left behind a fractured state. While the new president, Ahmed al‐Sharaa, seeks to unify the country and restore centralized governance, this appears unworkable. Instead, this article contends, asymmetrical federalism offers a pathway toward stability.
Dilan Okcuoglu
wiley +1 more source
Capacity Certificates: A Mechanism for Enhancing Investment Dynamics in Electric Power Generation
The proposed capacity certificate mechanism, designed to cover the investment costs of new generation units, can help mitigate challenges associated with investment cycles and generation capacity shortages. ABSTRACT Capacity mechanisms serve as tools for controlling investment dynamics in various electric power generation technologies.
Mohammad Reza Sheibani +2 more
wiley +1 more source
This article provides a comprehensive review of loss mechanisms in the generation stage of energy systems, covering fossil, nuclear, and renewable technologies. It examines their environmental and operational implications and shows how overlooking generation losses distorts efficiency assessments.
Pooya Parvizi +4 more
wiley +1 more source
Satellite (MODIS) mapping links Urban Heat Island (UHI) intensity to city‐scale energy demand—higher daytime cooling demand and altered nighttime heating demand—supporting targeted mitigation and planning. ABSTRACT This study examines the surface urban heat island (SUHI) effect on building energy consumption in Tehran from 1998 to 2024, utilizing MODIS
Rasool Maroofiazar, Ali Maboudi Reveshti
wiley +1 more source
The role of earnings management and dividend announcement in explanation of information asymmetry: Evidence from Tehran Stock Exchange [PDF]
This study examines the relationship between earnings management and information asymmetry based on some companies listed in Tehran Stock Exchange over the period of 2005-2010.
Mohammad Hassani, Fatemeh Taheri
doaj
The Effect of Cash Dividends on Stock Prices [PDF]
The purpose of this study is to measure how much the stock prices decline ofter ex-dividend date in Tehran Stock Exchange. Another parpose of the study is to investigate whether the marginal tax rates of stock holders have any effect on the dividend ...
دکتر علی جهانخانی +1 more
doaj
Investigating the effects of liquidity and exchange rate on Tehran Stock Exchange
This paper presents an empirical investigation to study the effects of two macroeconomic factors; namely exchange rate and liquidity on stock index. The proposed study was applied in Iran and on major index of Tehran Stock Exchange over the period 2001-2011.
Younos Vakil Alroaia +2 more
openaire +2 more sources
Comparative study of the instability and dynamics of systematic risk for Tehran Stock Exchange and a selected group of emerging stock markets [PDF]
This study investigates the stability of systematic risk of Tehran stock Exchange and a selected group of emerging stock markets including of Latin America, Asian South eastern and Istanbul Stock Exchange. The study uses time series specification of CAPM
Esmaeel Ramazanpoor +2 more
doaj

