نتایج جستجو برای: geometric programming production management cubic cost production function jointness

تعداد نتایج: 3135275  

2004
MARKUS F. HOFREITHER ERWIN SCHMID FRANZ SINABELL Markus F. Hofreither

A core element of the recent Common Agricultural Policy reform is to decouple payments that are merely linked to production from 2005 on. These subsidies are classified as environmental harmful by OECD. An agricultural sector model, using a modified version of the positive mathematical programming method, depicts the political, natural, and structural complexity of Austrian farming. Environment...

Journal: :iranian journal of applied animal science 2015
o.s. adedeji t.k. ogunsina a.o. akinwumi s.a. ameen o.o. ojebiyi

this paper considers the potential problems that may militate against the adoption of organic poultry production in nigeria. factors identified include: higher risk of diseases like coccidiosis and newcastle disease, disease prevention and control / herd health management, disease containment in times of outbreak, land acquisition (land tenure system), market economies / cost-benefit ratio, pas...

ژورنال: اکوبیولوژی تالاب 2020
minabi, ebrahim, morammazi, jasem, Yavari, vahid,

Due to fresh water resource limits and environmental damage caused by aquaculture waste using systems based on sustainable development at the global level is highly regarded. Aquaponics or fish and plant co-culture system is one of the new approaches to achieve aquaculture sustainable development. In this study which was conducted , in 2015, at Ahvaz Azadegan warm water fish culture complex, 6 ...

2003
H. Walter PingSun Leung

A dynamic programming approach was used to evaluate the effect of changing the feed input to product price relationship on the beef production management decision process. The dynamic programming model consists of nine submodels describing and analyzing the time-dependent beef production management decision process. The model incorporates biological functions and economic principles. Results cl...

Journal: :آب و خاک 0
علیرضا توکلی هرمز اسدی

introduction: two of the main challenges in developing countries are food production and trying to get a high income for good nutrition and reduction of poverty. cereals and legumes are the most important crops in the rainfed areas of the country occupying the majority of dry land areas. irrigated production systems had a main role in food production in the past years; but unfortunately, in rec...

This study aims to measure the production capacity and capacity utilization in pharmaceutical industry. The capacity utilization is the ratio of actual production level to the potential production level which shows the gap between real production and production capacity. Method: Through econometric methods, the short-run translog cost function is estimated with the cost share function of produ...

2003
Steven Berry Ariel Pakes

In the discussion in Chapter 2, we assumed that we had only data on marketlevel prices and quantities, together with cost and demand shifters. In this case, we were forced to make inferences about costs from the market outcomes together with an equilibrium assumption on the model. We saw how the equilibrium assumption can influence the resulting estimates of cost. Inside of learning about costs...

Journal: :Mathematical and Computer Modelling 2013
Pandian Vasant

The fuzzy optimization problem is one of the prominent topics in the broad area of artificial intelligence. It is applicable in the field of non-linear fuzzy programming. Its application as well as practical realization can been seen in all the real world problems. In this paper a large scale non-linear fuzzy programming problem was solved by hybrid optimization techniques like Line Search (LS)...

Journal: :iranian journal of applied animal science 2013
s.a. belal a.s.m. mahbub a. ara m.n. uddin f.m.a. hossain

this experiment was carried out for a period of 4 weeks with 240 day old straight- run broiler (cobb-500) chicks to investigate the effects of administering electrolytes in drinking water on the productive performance (live weight, body weight gain, feed consumption, feed conversion and water consumption) and to determine the economic impact of using electrolytes. the chicks were randomly distr...

Hadi Heidari Gharebolagh Mahmoud Modiri Saeid Moheb Rabbani,

Using the mathematic techniques such as Fuzzy approach has useful outcomes for production planning in different sources. In this paper LGP1 was used to model the objectives such as: avoidance of shortage or surplus of demand, access to maximum of income, using the normal capacity of production and organizing the inventory of warehouse, within the framework of Goal constraints like balancing b...

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