• Title/Summary/Keyword: Stock Distribution

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Assessment of Carbon Stock and Uptake by Estimation of Stem Taper Equation for Pinus densiflora in Korea (우리나라 소나무의 수간곡선식 추정에 의한 탄소저장량 및 흡수량 산정)

  • Kang, Jin-Taek;Son, Yeong-Mo;Jeon, Ju-Hyeon;Lee, Sun-Jeoung
    • Journal of Climate Change Research
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    • v.8 no.4
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    • pp.415-424
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    • 2017
  • This study was conducted to estimate carbon stocks of Pinus densiflora with drawing volume of trees in each tree height and DBH applying the suitable stem taper equation and tree specific carbon emission factors, using collected growth data from all over the country. Information on distribution area, tree age, tree number per hectare, tree volume and volume stocks were obtained from the $5^{th}$ National Forest Inventory (2006~2010) and Statistical yearbook of forest (2016), and method provided in IPCC GPG was applied to estimate carbon stock and uptake. Performance in predicting stem diameter at a specific point along a stem in Pinus densiflora by applying Kozak's model, $d=a_{1}DBH^{a_2}a_3^{DBH}X^{b_{1}Z^2+b_2ln(Z+0.001)+b_3\sqrt{Z}+b_4e^z+b_5(\frac{DBH}{H})}$, which is well known equation in stem taper estimation, was evaluated with validations statistics, Fitness Index, Bias and Standard Error of Bias. Consequently, Kozak's model turned out to be suitable in all validations statistics. Stem volume table of P. densiflora was derived by applying Kozak's model and carbon stock tables in each tree height and DBH were developed with country-specific carbon emission factors ($WD=0.445t/m^3$, BEF = 1.445, R = 0.255) of P. densiflora. As the results of analysis in carbon uptake for each province, the values were high with Gangwon-do $9.4tCO_2/ha/yr$, Gyeongsandnam-do and Gyeonggi-do $8.7tCO_2/ha/yr$, Chungcheongnam-do $7.9tCO_2/ha/yr$ and Gyeongsangbuk-do $7.8tCO_2/ha/yr$ in order, and Jeju-do was the lowest with $6.8tC/ha/yr$. Total carbon stocks of P. densiflora were 127,677 thousands tC which is 25.5% compared with total percentage of forest and carbon stock per hectare (ha) was $84.5tC/ha/yr$ and $7.8tCO_2/ha/yr$, respectively.

Lactate dehydrogenase activity and isoenzyme distribution in plasma and tissue of Korean native cattle (한우의 혈장 및 조직중의 lactate dehydrogenase의 활성치와 isoenzyme의 분포)

  • Kim, Ki-seog;Cho, Jong-hoo
    • Korean Journal of Veterinary Research
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    • v.29 no.4
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    • pp.461-467
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    • 1989
  • The activity of lactate dehydrogenase in plasma and various tissues(skeletal muscle, cardiac muscle, liver, lung, kidney and spleen) of Korean native cattle in a Chonju abattoir, the Breeding Stock Farm and Animal Farm of Chonbuk University was determined by using ultra violet method. Using polyacrylamide gel electrophoresis, the lactate dehydrogenase isoenzyme distrimution of plasma and various tissues in Korean native cattle was studied. The plasma lactate dehydrogenase activity of Korean native cattle was $554.80{\pm}92.70IU/l$ and the lactate dehydrogenase activity of male plasma was $543.96{\pm}97.89IU/l$, which was lower than that of female plasma, $579.19{\pm}78.09IU/l$. The plasma lactate dehydrogenase activity of calf was $557.31{\pm}110.27IU/l$ and was no significantly different from that of adult Korean native cattle. But the range of calf lactate dehydrogenase activity was larger than that of adult Korean native cattle. In tissues, the lactate dehydrogenase activity was decreased in order of lung, kidney, spleen, liver, heart and skeletal muscle. The lung had the greatest activity and the skeletal muscle had the least. Lactate dehydrogenase isoenzymes in plasma and tissues were found to have a characteristic distribution and quantitative isoenzyme patterns. In plasma, the LDH1 usually had the greatest activity and other isoenzymes showed a decreasing tendency in order of LDH2, LDH3, LDH4 and LDH5. The distribution of lactate dehydrogenase isoenzymes had a wide variation in tissues. But the distribution of LDH isoenzymes in plasma was similar to that in kidney, and also cardiac muscle and spleen had similar pattern in LDH isoenzymes distribution.

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A Study on Mutual Relationship between Korean Income Distribution during 1980s-1990s and Huge-scale Housing Supply Policy (한국의 80~90년대 소득분배와 대규모 주택공급정책의 상호관계에 관한 연구)

  • Lim, Jae-Bin
    • Land and Housing Review
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    • v.11 no.3
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    • pp.11-19
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    • 2020
  • This study aims to examine the relationship between the improvement of the income distribution index from the late 1980s to the 1990s and large-scale housing supply projects such as the 2 million housing construction project. Looking at Korea's economic development in terms of income growth and distribution, GDP has continuously increased since the establishment of the government, especially in the late 1980s. The Gini Index, a representative income inequality index, rapidly deteriorated in the early 1970s, and gradually improved from the late 1980s. The 2 million housing construction project, announced in 1988, supplied a third of the existing nationwide housing stock of 6.5 million units in three years. The project cost was 65 trillion won, equivalent to 50% of Korea's GDP at the time. This study questioned whether the ratio of the number of employed workers in the construction industry was a variable directly affecting the Gini Index. To verify this, the causal relationship between the proportion of employed workers in the construction and manufacturing industries and the Gini Index from 1979 to 2008 was statistically analyzed. For this, the ARIMA model was established for each variable, and the correlation of their residuals was verified. The 2 million housing construction project had the effect of improving income inequality in terms of rising wages for production workers and creating jobs for the low-educated and low-income class. During the project period, the number of middle-income earners increased sharply, and the income gap between the high-income and low-income earners greatly decreased. The expansion of the construction volume can be used as a powerful and direct policy tool for improving income distribution. However, the effect may be limited. When the proportion of workers exceeds the threshold, the effect is weakened.

The Potential Impact of Service Quality Uncertainty and Retail Pricing Strategies on Consumer Purchase Intention

  • Nguyen, Dieu Hoa;Jeong, Euihyeon;Chung, Jaekwon
    • Journal of Distribution Science
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    • v.16 no.12
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    • pp.13-21
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    • 2018
  • Purpose - Because it is not possible to assess the quality of service products before experiencing them, one feature of a service product is quality uncertainty; hence consumers may react sensitively to pricing. It is necessary to investigate how different pricing strategies affect consumer purchase intention depending on the level of service quality uncertainty. Research design, data, and methodology - The authors have investigated the potential impact of the level of service quality uncertainty, price discount rate and presentation method on consumer purchase intention. A play was selected as an experimental stimulus, and Vietnamese consumers were surveyed to verify the hypotheses. Results - When uncertainty regarding service quality is low, consumer purchase intention is higher when the price discount rate is high or when the price is low. When uncertainty regarding service quality is high, if the normal price, discount rate, and discounted price are presented simultaneously, consumer purchase intention is higher when the price discount rate is low, but when only the discounted price is presented, purchase intention is higher when the price discount rate is high. Conclusions - The results of this study can provide valuable practical implications for pricing for service products with quality uncertainty.

The Marginal Value of Cash in Korean Retail Firms

  • Kim, Sang-Su;Lee, Jeong-Hwan
    • Journal of Distribution Science
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    • v.14 no.2
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    • pp.13-22
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    • 2016
  • Purpose - We examine the marginal value of cash in Korean retail firms, largely unexamined in literature. The marginal value of cash plays pivotal role in cash management policy; especially, a significantly low marginal cash value indicates substantial manager-shareholder conflicts. Research design, data, and methodology - We estimate marginal cash values by adopting the approach of Faulkender & Wang (2006). The sample of retail firms traded in Korean Stock Exchange from 1991 to 2013 is analyzed. Results - We estimate the marginal value of cash for the retail firms as 0.75, implying significant manager-shareholder conflicts. We find a lower marginal value of cash for financially constrained retail firms, contradicting existing theories. The marginal value of cash increases substantially after 2000s, suggesting severe agency conflicts in 1990s as a key reason behind our findings. Conclusions - Our findings support the substantial resource diversion problem in Korean firms and the agency theory of cash management policy. Our results argue against the widely accepted view focusing on implications of financial constraints, which highlights a need of new cash management theory.

Improvement Plan of Environment-Impacting Facilities by Inhabitants Consciousness and Spatial Characteristics in Rural Areas (주민의식과 입지특성에 따른 농촌마을 환경영향시설의 정비방향)

  • Kim, Young-Joo;Choi, Soo-Myung
    • Journal of Korean Society of Rural Planning
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    • v.11 no.4 s.29
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    • pp.99-108
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    • 2005
  • In this study, thirteen villages in Chonnam province were selected as case study sites and the spatial distribution of the facilities in the villages was examined to provide basic information fur the establishment of rural plans. According to the questionnaire survey, various problem such as environmental pollution, position, scene, management etc. was brought owing to cattle shed, and dissension was more or less seen by scale of facilities, management of facilities and waste, regional factor(stock farming management condition, life style and attitude of inhabitants) and topographical factor (height, position physical aspect of a mountain, distance with water resources etc.) etc.. The facilities could be classified into 6 types based on the their spatial locations: 1) Type 1, facilities located at the waterside; 2) Type 2, facilities located at the entrance of village; 3) Type 3 facilities, scattered in the residential area: 4) Type 4 facilities, collectivized in village; 5) Type 5 facilities, adjoining village; and 6) Type 6 facilities, scattered irregularly inside and outside of village. Based on the classification, possible implementations for the reduction of environmental impacts were suggested. The results of this study could be used as an example of study on the distribution, classification, and rearrangement of environment-impacting facilities in rural areas for improvement of their roles in providing amenity resources.

The Impact of Capital Structure on Firm Performance: Evidence from Pakistan

  • Muhammad, Hussain;Shah, Bahadar;Islam, Zia ul
    • The Journal of Industrial Distribution & Business
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    • v.5 no.2
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    • pp.13-20
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    • 2014
  • Purpose - The purpose of this study is to empirically investigate the impact of capital structure on firm performance. Research design, data, and methodology - This study examined the impact of capital structure on the performance of cement companies listed on the Karachi Stock Exchange during the period 2009-2013. The authors hypothesize that there is a negative relationship between capital structure and firm performance. To examine the association, the authors run a Pearson correlation and multiple regression analysis. Results - Results reveal a strong negative relationship between debt to asset and firm performance variables (GPM, NPM, ROA, and ROE). Further, there is a positive relationship between debt to equity and firm performance variables (GPM and NPM), anda negative relationship between debt to equity and firm performance variables (ROA and ROE). Moreover, capital structure variables significantly impact firm performance. Conclusions - This study concluded that financial analysts and managers should emphasize on the optimal level of capital structure and efficient utilization and allocation of resources to achieve the targeted level of productive efficiency in business.

Corporate governance and earnings quality: the Iranian evidence

  • Salehi, Mahdi;Asgari, Azadeh
    • Journal of Distribution Science
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    • v.11 no.6
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    • pp.5-11
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    • 2013
  • Purpose - The main question in this study is whether there is any relationship between corporate governance variables and earnings quality. The size of the board and audit committee, the number of stockholding managers and non-executive directors, and management quality are considered as independent corporate governance variables in the hypotheses. Research design, data, and methodology - Earnings quality is used as the dependent variable. Input from the abovementioned variables are drawn from 94 listed companies in the Tehran Stock Exchange for the period between 2006 and 2010. Results - This study examines corporate governance aspects such as the size of the board of directors, the number of shares held by the board, the board's independence, and the percentage of non-executive directors. The results show that establishing an audit committee has a significant role in ensuring higher quality reported earnings. Conclusions - The regression statistics output reveals a meaningful relationship between earnings quality and the size of the board of directors, the number of non-executive directors, and the size of the audit committee. This result indicates that improving earnings quality requires that the size of the board of directors be taken into account.

The Amount of Earnings Per Share's Adjustment and Earnings Management

  • Paricheh, Monireh;Mehrazeen, Alireza;Shiri, Mahmoud Mousavi
    • The Journal of Industrial Distribution & Business
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    • v.4 no.1
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    • pp.15-21
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    • 2013
  • Purpose - Our goal was to determine whether there is a relationship between actual profits' deviation from the profits expected in earnings per share's adjustment announcements and the degree of apparent earnings management in annual financial statements. Research design, data, and methodology - The samples consisted of 133 companies from ten industries. The companies were selected among those listed in the stock exchange, and their data were examined covering the two-year period from 2008 to 2010. Tests were conducted using a regression model and SPSS statistical software. Results - The findings indicate the following. There is no significantly positive relationship among the last earnings per share's adjustment forecast, the first earnings forecast per share, and earnings management. Moreover, the amount of the latest earnings per share's adjustment forecast relative to its first forecast is not associated with the companies' discretionary accruals items. Finally, the hypothesis that a relationship exists between companies' latest adjustments of their earnings per share and earnings management was tested the results indicate that there is no such relationship. Conclusions - The study's results suggest that the amount of earnings per share's adjustment is not a motivation for earnings management.

Companies Life Cycle Stages and Capital Structure in Emerging Markets: Evidence from Iran

  • Salehi, Mahdi;Rostami, Vahab;Salmanian, Lida
    • Journal of Distribution Science
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    • v.11 no.2
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    • pp.5-10
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    • 2013
  • Purpose - The current research examines the effect of life cycle stages on capital structure of listed companies in Tehran Stock Exchange. Research design, data, methodology - By aid of 685 year-company data, which collected from financial statements of companies during 2006-2012, first, the companies, are classified into three groups including companies in growth, maturity and decline stages. After removing the companies, which were not in accordance with life cycle model, 86 companies were selected to test two main hypotheses of the research. Results - The results show that the capital structure of the sample companies is different in various life cycle stages. More investigation by LSD test also revealed that the total debt to total assets ratio means of the companies in growth stages were significantly different from those companies in maturity stages and those in growth stages had high level of debt to assets ratio. Conclusions - The result showed the average amount of the working capital for companies in three stages are significantly different and due to high level of operation of the companies in maturity and decline stages, these companies held high amount of working capital than those in the growth stages.

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