نتایج جستجو برای: its average annual economic value by 3 price senarios estimated
تعداد نتایج: 9078653 فیلتر نتایج به سال:
This paper uses a structurally estimatedmacroeconometricmodel, denoted the MC model, to evaluate in ation targeting in the United States. Various interest rate rules are tried with differing weights on in ation and output, and various optimal control problems are solved using differing weights on in ation and output targets. Price-level targeting is also considered. The results show that 1) the...
1 There is mounting evidence of pollinator decline all over the world and consequences in many 2 agricultural areas could be significant. We assessed these consequences by measuring 1) the 3 contribution of insect pollination to the world agricultural output economic value, and 2) the 4 vulnerability of world agriculture in the face of pollinator decline. We used a bioeconomic 5 approach, which...
BACKGROUND Substantial, but indirect, evidence suggests that improving nutrition in early childhood in developing countries is a long-term economic investment. We investigated the direct effect of a nutrition intervention in early childhood on adult economic productivity. METHODS We obtained economic data from 1424 Guatemalan individuals (aged 25-42 years) between 2002 and 2004. They accounte...
The objective of this study was to develop a method for calculating economic values of clinical mastitis (CM) and somatic cell score (SCS) for inclusion in a dairy cattle breeding goal in the context of a country where farm production and economic data are scarce. In order to calculate the costs and derive economic values for SCS, a new model, 'milk collection method', has been developed and wa...
This paper uses a structurally estimatedmacroeconometricmodel, denoted the MC model, to evaluate in ation targeting in the United States. Various interest rate rules are tried with differing weights on in ation and output, and various optimal control problems are solved using differing weights on in ation and output targets. Price-level targeting is also considered. The results show that 1) the...
In economies that are dependent on fossil fuel revenues, Realization of long-term plans, mid-term and annual budgeting requires a fairly accurate estimation of the amount of consumption and its price fluctuations. Accordingly, the present study is using machine learning techniques to predict the usage of fossil fuels (Diesel, Black oil, Heating oil, and Petrol) in mid-term. Exponential Smoothin...
Air pollution is a major environmental issue in the world that can be harmful for human health. The aim of this study was to determine the health impacts of particulate matter with an aerodynamic diameter ≤10μm (PM10) in Ilam in 2013 and 2014. The air pollution data were obtained from the Ilam Department of Environmental Protection. The data were analyzed by Excel software, and...
1.1 A price index is a measure of the proportionate, or percentage, changes in a set of prices over time. A consumer price index (CPI) measures changes in the prices of goods and services that households consume. Such changes affect the real purchasing power of consumers’ incomes and their welfare. As the prices of different goods and services do not all change at the same rate, a price index c...
In this study, residents' willingness-to-pay (WTP) for preservation of Valasht lake of Chalous city is estimated by using one-and-one-half-bound dichotomous choice contingent valuation method. WTP was measured by using logit model and Maximum Likelihood (ML) parameters estimation method. The results show that 67 percent of the housholds willingness to pay for preservation of Valasht lake. The a...
background: the activity concentrations of some radionuclides in soil samples collected from 20 locations in 8 major towns in oyo state, southwestern nigeria have been determined by gamma-ray spectrometry technique. materials and methods: the activity concentrations were determined using high-purity germanium (hpge) detector (canberra industries inc.). the outdoor absorbed dose rates in air at ...
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