List of Articles Positive Mathematical Programming Open Access Article Abstract Page Full-Text 1 - The Effects of Tax and Subsidy Policies to Maintain and Sustain Water Resources in Kaboodarahang Plain mehdi elahi Mohammad Hassan Vakilpoor hamed najafi alamdarloo Mohammad Ali Asaadi 10.30495/jest.2019.38304.4400 Open Access Article Abstract Page Full-Text 2 - The effect of climate change on land usage and agricultural sector performance in Mazandaran province Alireza Keikha Ahmad Khanlary Ahmad Ali Keikha Mahmood Sabouhi 10.22034/jest.2019.7770.1642 Open Access Article Abstract Page Full-Text 3 - Investigating the Economic and Welfare Effects of the Water Market: A Positive Mathematical Programming Model Approach fatemeh esmaelnia balagatabi ahmad sarlak hadi ghaffari Open Access Article Abstract Page Full-Text 4 - تاثیرات اقتصادی و زیستمحیطی سناریوهای مدیریت منابع آب بخش کشاورزی در دشت قزوین مهرنوش میرزایی سعید یزدانی محمدرضا نظری ابوالفضل محمودی غلامرضا یاوری محسن شوکت فدایی Open Access Article Abstract Page Full-Text 5 - تأثیر سیاستهای حفظ منابع آب کشاورزی ایران (مطالعه موردی: شهرستان بافت، دشت دشتاب) شجاع موسی پور محمود هاشمی تبار مهدی صفدری Open Access Article Abstract Page Full-Text 6 - Determining the Water Economic Value for Quality and High-yielding Rice (Case Study Behshahr Plain, Mazandaran Province) HAMID AMIRNEJAD Sekineh Fazelian seyed Ali Hosseini Yekani Open Access Article Abstract Page Full-Text 7 - Effect of Optimization of Chemical Fertilizers Consumption on Optimal Cropping Pattern in the Framework of Positive Mathematical Programming (Case Study of Sari Goharbaran) Khadijeh Abdi Rokni سید علی حسینی یکانی Samaneh Abedi fatemeh kashiri kolaei Open Access Article Abstract Page Full-Text 8 - Economic Analysis the Effects of Farmer’s Participation of Alamout Region in the Rice Slybyt Scheme ابوذر Parhizkari Open Access Article Abstract Page Full-Text 9 - Change from the purchasing price policy to the guaranteed price policy and its effects on cropping pattern in Qazvin plain mehdi shabanzadeh Gholamreza peykanei seyed safdar hoseini saeid yazdanei Open Access Article Abstract Page Full-Text 10 - EFFECTS OF ABOLISHING ENERGY CARRIERS SUBSIDIES ON PRODUCTION OF ORNAMENTAL FLOWERS IN MAHALLAT مهدی جعفری جواد شهرکی احمد اکبری Open Access Article Abstract Page Full-Text 11 - Evaluating Effect of Policy Programs to Achieve Water Resources Stability Objective in Qazvin Plain Mostafa Mardani Abbas Mirzaei Open Access Article Abstract Page Full-Text 12 - Role of Efficiency in Transferring Climate and Price Shocks on Farmers (Case Study: Razan Township) H. Haji Mirza Reza Shakeri Open Access Article Abstract Page Full-Text 13 - Effects of climate change on hydrological and economic conditions of Bushkan plain farmers Hamide Daneshgar Mehrdad Bagheri Mostafa Mardani Najafabadi Fatemeh Alijani Gholamreza yavari Open Access Article Abstract Page Full-Text 14 - Simulation of Agricultural Land Use Cover Changes Using Mathematical Programming Based Multi-agent system (MP-MAS) in Babolsar kamal Ataie s ahmad ali keykha Mahmoud Ahmadpour Saman Ziaee Farhad HoseiAli Open Access Article Abstract Page Full-Text 15 - Economic analysis the effects of increase saffron acreage on cropping pattern, the consumption of inputs and farmer's gross profit in Qazvin plain A. Parhizkari Open Access Article Abstract Page Full-Text 16 - The effects of government agricultural policies on the optimal crop pattern and sustainable water management: a case study of Firozabad Plain, Fars Province. hamidreza gerami s.n موسوی عباس امینی فر 10.30495/jae.2024.12295.2387 Open Access Article Abstract Page Full-Text 17 - Effects of Technology Development and Mechanization on Agricultural Production in Qazvin Province A. پرهیزکاری M. صبوحی Open Access Article Abstract Page Full-Text 18 - Effects of Elimination Subsidies of Agricultural Inputs on Cropping Pattern in Varamin Region A. پیش بهار S. KH Open Access Article Abstract Page Full-Text 19 - The Effects of Economic Pricing of Irrigation Water on Cropping Pattern in the Dehgolan Plain آزیتا Varziri M.H Vakilpour S.A Mortazavi Open Access Article Abstract Page Full-Text 20 - Evaluating the Effect of Removing of Chemical Fertilizers Subsidy on the Cropping Pattern in Rey County s. sh gh. پیکانی S.A مرتضوی O. زمانی Open Access Article Abstract Page Full-Text 21 - Consequences to irrigation groundwater price and quotas policies in Fars province (positive mathematical programming approach corrected) f. بوستانی h. محمدی z. معین الدینی