نتایج جستجو برای: water pricing index

تعداد نتایج: 955236  

Journal: :بوم شناسی کشاورزی 0
محمد قربانی امین نعمتی رضا قربانی

awareness of wheat farmers’ personal preferences towards environmental issues and weed types is important in pricing bioherbicides for sustainable weed management and could consequently be a fundamental guide to agricultural authorities and policy-makers. in the present study, a survey was carried out by using data collected from 180 wheat farmers of korasan razavi province during 2008, togethe...

2006
Bing Han

This paper uses S&P 500 index options data to examine whether proxies of investor sentiment, or aggregate errors in investor beliefs, affect option prices and asset pricing kernel. I find that when market sentiment becomes more bearish (resp. bullish), both index option smile and asset pricing kernel are more (resp. less) negatively sloped. These relations are statistically and economically sig...

Journal: :اقتصاد و توسعه کشاورزی 0
باغستانی باغستانی زیبایی زیبایی

abstract water pricing is a policy instrument for improving water efficiency, reducing water demand, management of the irrigation systems and recovering costs. the underlying principle of water pricing is that it should reflect the opportunity cost of water. in this study, parametric mathematical programming approache were used to estimate the willingness of farmers to pay for groundwater under...

Journal: :iranian journal of environmental sciences 0
ali rnjbar jafarabadi department of environment science, faculty of natural resources and marine sciences, tarbiat modares university of tehran, iran maliheh masoodi department of environment science, gorgan university of agricultural and natural resource, iran maryam sharifiniya department of fishery science, gilan university, iran alireza riyahi bakhtiyari department of environmental sciences, faculty of natural resources and marine sciences, tarbiat modares university, noor, mazandaran, iran

evaluation of surface water quality is a complex process undertakingmultiple parameters. converting great amount of parameters into a simpler expressionand enabling easy interpretation of data are the main purposes of water quality indices.the main aim of this study is to plan effective water resources management system forkarun river by combination of ccmewqi and geographic information system ...

2011
Robert Frank Catherine Creswell Samuel Hillers

Problems with appraisal-based return series combined with certain similarities between commercial real estate, bonds and stock suggest that equity REIT returns provide an accurate source of real estate pricing information. A model for deriving a discount rate for unsecuritized commercial real estate was developed. The model is a three factor Arbitrage Pricing model that measures the sensitivity...

2017
Nilanjan Ghosh

This chapter presents a comprehensive review of valuation of water. Though existing literature has a large number of papers on the significant attempts at valuing water, a number of publications only consider certain specific aspects of water pricing, rarely attempting a comprehensive review. Water pricing, whether by government mandate or in practice, has to take into consideration a host of c...

1999
Lucy F. Ackert Yisong S. Tian Brian Hatch Shane Johnson Dan Waggoner

Researchers have reported mispricing in index options markets. This study further examines the efficiency of the S&P 500 index options market by testing theoretical pricing relationships implied by no-arbitrage conditions. The effect of a traded stock basket, Standard and Poor’s Depository Receipts (SPDRs), on the link between index and options markets is also examined. Pricing efficiency withi...

2004
José A. Gómez-Limón Laura Riesgo

[1] European water policy requires all EU Member States to implement volumetric water pricing at rates that roughly cover the total costs of providing water services. The objective of this paper is to develop a methodology that will enable us to analyze the differential impact that a water pricing policy for irrigation would have on heterogeneous farmers of an irrigated area. For this purpose, ...

2013
Francesco Galioto Meri Raggi Davide Viaggi

The paper explores how agricultural water pricing could contribute to lowering water demand when uses are unobserved (asymmetric information). The topic of the paper is justified by the fact that most water authorities worldwide do not control water uses at the farm scale. The study draws inspiration from the pricing policies of a Reclamation and Irrigation Board in Northern Italy. It analyses ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده مهندسی علوم آب 1393

drought is transient phenomenon , slow , repetitive and integral part of the climate of each region. drought begins with a substantial reduction in precipitation over the long-term average rainfall and over time, reduced soil moisture and surface and ground water resources will continue to decrease. this phenomenon is the most important in bakhtegan basin because of its importance in strategic ...

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