نتایج جستجو برای: elasticity testing

تعداد نتایج: 360961  

Journal: :PloS one 2016
Lorenzo Sabatelli

Income and price elasticity of demand quantify the responsiveness of markets to changes in income and in prices, respectively. Under the assumptions of utility maximization and preference independence (additive preferences), mathematical relationships between income elasticity values and the uncompensated own and cross price elasticity of demand are here derived using the differential approach ...

2014
Young-Min Kim Boncho Ku Chang Jin Jung Jaeuk U Kim Young Ju Jeon Keun Ho Kim Jong Yeol Kim

BACKGROUND Human skin properties have been used as an important diagnostic component in traditional medicine as they change with health conditions. Sasang constitutional medicine (SCM) puts emphasis on the recognition of the constitution-specific skin features prior to the diagnostic decision of health. In this work, in search of skin-characteristics effectively reflecting SCM features, we comp...

This paper aims to model total electricity demand (incremental) in order to estimate price and income elasticities using provincial data and the spatial panel data method. Electricity demand at the province level is influenced by climatic zones, which can be divided into temperate, cold and sub-tropical. This paper uses time series data for electricity demand in Iran’s 28 provinces, taking into...

Journal: :Biophysical journal 2010
Eric H Lee Jen Hsin Eleonore von Castelmur Olga Mayans Klaus Schulten

The protein titin functions as a mechanical spring conferring passive elasticity to muscle. Force spectroscopy studies have shown that titin exhibits several regimes of elasticity. Disordered segments bring about a soft, entropic spring-type elasticity; secondary structures of titin's immunoglobulin-like (Ig-) and fibronectin type III-like (FN-III) domains provide a stiff elasticity. In this st...

Journal: :international journal of agricultural management and development 0
yaghoub zeraatkish department of agricultural economic,science and research branch,islamic azad university,tehran,iran haniyeh yousefi moteghaed young researchers and elite club, science and research branch, islamic azad university, tehran. iran

market volatility remains one of the most important research fields in agricultural economics.interestingly, price transmission mechanism seems to be symmetric in sectors that are likely to be of high political power.this paper analyzes the price transmission effects from international markets to domestic markets for corn in iran. for this purpose, we estimate the elasticity of substitution bet...

Journal: :iranian journal of medical physics 0
s. shahbazi m. sc. in medical physics, tarbiat modares university, tehran, iran m. mokhtari-dizaji associate professor, medical physics dept., tarbiat modares university, tehran, iran m. zarin optometrist, iran university of medical sciences, rassol hospital, tehran, iran m. mansori associate professor, ophthalmology dept., tehran university of medical sciences, farabbi hospital, tehran, iran

introduction: based on the invasive studies it has been shown that factors such as age, the progress of eye disorders, lens fibers compression and the biochemical changes of ocular matrix alter the physical characteristics and elastic properties of eye. in this study, a noninvasive method of estimating human eye elasticityis proposed and its relation with age and gender is evaluated using ultra...

2002
M Ricker

Quasicrystals can carry, in addition to the classical phonon displacement field, a phason displacement field, which requires a generalized theory of elasticity. In this paper, the third-order strain invariants (including phason strain) of icosahedral quasicrystals are determined. They are connected with 20 independent third-order elastic constants. By means of non-linear elasticity, phason stra...

2004
Qi Meng John A. Bishop Haiyong Liu

This paper examines the smoking behavior in China using the urban data set from the 1995 Chinese Household Income Study. We investigate the two parts of elasticity through employing two main models. We find the estimate of overall cigarette price elasticity is –0.654 by combining the estimates of participation elasticity and conditional elasticity. The result implies that people still care abou...

M Bakhshoodeh

Incorporating a household’s net sale status into a rearranged Slutsky equation with combined ordinary and endowment income effects, this paper aims to reinterpret the income elasticity of demand in the case of buying and selling and to associate it with types of goods in a novel manner. To this end, the Deaton’s (1989) net benefit ratio (NBR) approach is expressed as the difference between orig...

2003

Equity mutual fund loads have fallen, while stock ownership rates and equity mutual fund use have risen, plausibly boosting the stock wealth elasticity of U.S. consumption. Because of limited wealth and diversification needs, load declines likely spurred middle-income families to invest in equity, consistent with cross-section data and the calibration model of Heaton and Lucas (2000). In load-m...

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