• Journal of the Korean Data and Information Science Society
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• v.23 no.4
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• pp.777-785
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• 2012

Recently, the rapid development of internet and information technology has led to rapid changes in many industries. One of the most rapidly developing industries is the call centers. Almost all public institutions, financial institutions including insurance companies, and shopping malls, many call center staffs are proceeding with the consultation. However, lack of call center staffs is leading to a lot of customers complaints. The function of outbound call centers such as promotion and sale of products is also arising some problems due to insufficient number of consulting staffs. In this study, we propose the call center model for maximizing the rate of call connection time and suggest the best way of call centers model to be the channel distributions using the data mining techniques.

• Land and Housing Review
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• v.8 no.3
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• pp.131-143
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• 2017

Automobiles and parking lots have greatly been increased by the continuous development of new towns and residential districts. There were not enough parking lots; and although there were off-street parking lots available for sale, they were not easily sold. Through a parking regulation, local governments can require parking spaces for more than a certain rate in developing areas. Despite local governments should require parking spaces within the parking demand and regulation, they did not investigate parking demands. Off-street parking spaces are not easy to sell because they don't consider the parking demand. In this study, we analyzed the factors that affect the parking management in order to increase sales of the off-street parking. The factors were "the characteristics of the parking lots", "the accessibility of the off-street parking", and "the traffic environment around off-street parking." We have derived suggestions for these factors. In addition, this study has derived nine variables affecting the parking operation in these three factors, and suggested a logistic regression model and the influence of each factors. According to the analysis, "parking signs" were the most influential. Next were "land uses" and "lanes on road".

• Korean Journal of Agricultural Science
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• v.48 no.3
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• pp.473-482
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• 2021

In this study, we attempted to estimate the degree of management of chestnut forestry households in Chungcheongnam-do and to provide information for establishing chestnut cultivation-related policies. The chestnut management standard diagnostic table consists of three major categories, namely, management base, management and sales capacity, and production technology levels, along with 19 subcategories. A survey of 309 chestnut forestry households was conducted from 2014 to 2019 in Gongju, Cheongyang, and Buyeo in Chungcheongnam-do. The average score for the 19 subcategories was 65.7 points, indicating that these areas have excellent management conditions. When the total score was higher, the output per hectare and the rate of top-grade products in the total output were also higher, indicating a significant correlation. These findings will be useful for providing consulting services to chestnut growers as they highlight the correlation between the higher scores of the indicators in the chestnut management standard diagnostic table and the management performance of the farmers. We found that the scores of the indicators for management and sale skill, such as management record and analysis, material purchase, and direct transaction with consumers, were relatively lower than those of the indicators for management base and production skill. It is assumed that the chestnut growers aging has led to negligence in recording details on incomes, expenditures, and work and lowered the willingness to make substantial profits. Therefore, it is essential to overcome these problems for profitable chestnut farming.

• Korea Trade Review
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• v.44 no.3
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• pp.253-269
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• 2019

This study examines the utilization effect of FTA on the sales and profit of the secondary auto-part suppliers in two aspects: 1) firm-level survey on the utilization of FTA and 2) statistical inference on the FTA effects on their sales and profit. We use the GLS statistical technique, panel and survey data of 130 secondary auto-part suppliers in the Daegu and Kyungpook area in 2007-2016. The evidence shows that the secondary auto-part suppliers struggle to prepare documents for the FTA certificates of origin due to their small firm size, although they utilize the FTA at the relatively high rate of 92 percent. Statistical evidence shows that an increase in the export of the first vender significantly affects the sale of the secondary auto-part vendors, but not their profit. The low profit and high managing cost of utilizing the FTA deteriorate the utilization effect of the FTA of the secondary auto-part vendors, which is a key factor in a global supply chain and for the competitiveness of the automobile industry. Government policies are required for the secondary auto-part suppliers to utilize the FTA more effectively and share the benefits of tariff reduction with first auto-part vendors under FTA transaction.

• Korean Journal of Poultry Science
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• v.44 no.1
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• pp.51-57
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• 2017

Subsequent to the introduction of the "Laws on Consumption Promotion of Livestock Products" in 2002, a mandatory check-off system for the egg industry was introduced in June 2009. Unlike other livestock products, the check-off on eggs is financed not from the sale of the egg-the end product-but from the spent hen. Variables such as the falling price of spent hens lead to a low financing rate; The present farm allotment rate of 14%, introduced in 2015, is much higher than the 0.2% to 0.3% check-off rate in other types of business, thus placing a huge burden on farms. When check-off is financed from the egg, it is expected that 6.5 billion won will be raised using a rate of 0.3% of sale proceeds, Therefore, it is urgent for the government to establish infrastructure to enable producers and merchants to do business through Grade & Packing centers. This can be achieved by the staged construction of local Grade & Packing centers. Check-off should continue to be financed from the present spent hen until this infrastructure is established, and an institutional strategy should be provided by the government to raise the financing rate accurately and transparently using statistical treatment of supply data for spent hens as a short-term alternative.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.11 no.6
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• pp.2038-2045
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• 2010

Households' monthly average income is composed of various factors. This study paper studies focuses on estimating the determinants of a households' monthly average income. The region for analysis consist of three groups, that is, the whole country, a metropolitan city(such as Busan, Daegu, Incheon, Gwangiu, Daejeon, Ulsan.) and Seoul. Analyzing period be formed over a 57 time points(2005. 01~2009. 09). In this paper the dependent variable setting up the households' monthly average income, explanatory (independent) variables are composed of the consumer price index, employment to population ratio, Index of housing sale price, the preceding composite index, loans of housing mortgage, spending rate for care medical expense and the composite stock price index. In looking at the factors which determine the monthly average income, evidence was produced supporting the hypothesis that there is a significant positive relationship between the composite index and housing loans. The study also produced evidence supporting the view that there is a significant negative relationship between employment ratios, the house sale pricing index and spending rates for care or medical needs. The study found that the consumer price index and composite stock price index were not significant variables. The implications of these findings are discussed for further research.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.21 no.1
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• pp.216-222
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• 2020

A comparative analysis of farm incomes was performed from the new composition system of crops, such as feed crops, including soybeans, Italian ryegrass, soybean-potatoes, and soybean-barley planted in rice fields. Through this analysis, the suggested implications were derived, and the technological solutions were determined. The profitability of the composition of soybean-Italian ryegrass showed that the soybeans yield was 325kg/10a, and the sale price was ￦3,962/kg, leading to a gross revenue of ￦1,288,000/10a. The yield of Italian ryegrass was 1,584kg/10a with a sale price of ￦125/kg, showing a gross revenue of ￦198,000/10a. The net income of soybeans was ￦284,000/10a, which means a net income rate of 22.1%, whereas the net income of Italian ryegrass was -￦30,000/10a. The composition of soybeans-potatoes and soybeans-barley showed a gross revenue of ￦930,000/10a and ￦375,000/10a, respectively. The crop composition types have been developed for the Income Type, Production Type of Forage, Improvement Type of Food Self-Sufficiency, and Corresponding Type to Climate Change. On the other hand, regional types have not been developed sufficiently. In addition, various selections of alternative crops and the establishment of crop composition congruent to the specific regions should be developed systematically in terms of the production technology. Therefore, it is necessary to develop the technological establishment of the crop composition through continuous related studies with the mid-to-long term objectives of land utilization and grain self-sufficiency rates.

• Design & Manufacturing
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• v.14 no.2
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• pp.1-6
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• 2020

Recently, research and commercialization related to the field of cell-based therapeutic drug development has been actively conducted. In order to maintain cell viability and prevent contamination, refrigeration preservation devices, such as CRF (controlled rate freezer) or vapor type LN2 tanks have been developed. On the other hand, the storage container for liquid nitrogen tanks currently on sale minimizes the flow structure to prevent structural defects when stored in a liquid nitrogen tank having a high thermal conductivity than vapor nitrogen. If the cell-based treatment drug is stored in the gaseous LN2 tank as it is, the cell survival after thawing is greatly reduced. It was estimated that the existing storage container structure was a factor that prevented the rapid entry and circulation of gaseous nitrogen into the container. Therefore, this study intends to propose a new supercellular storage container model that can maintain the mechanical strength while maximizing the fluid flow structure. To this end, we estimated that the structural change of the storage container effects on the equivalent stress formed around the through-holes of them when exposed to a cryogenic environment using thermal-structural coupled field analysis. As a result of storage experiments in the gas phase tank of the cell-based therapeutic agent using the developed storage container, it was confirmed that the cell growth rate was improved from 66% to 77%, which satisfied the transportation standards of the FDA(Food and Drug Administration) cell-based therapeutic agent.

• Journal of the Korean Society of Food Culture
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• v.17 no.2
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• pp.111-119
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• 2002

The purpose of this study was to investigate attitude and behavior of eating and purchasing seafood in relation to eating pattern at the household level among Korean housewives. Analysis data from 676 housewives in Korea were collected with self-administered questionnaires. The results were as follows: Seventy-three % of the respondents answered that they liked seafood dishes for their taste, good nutrition and health benefit in order, but 3.2% disliked seafoods because of their bad smell, cooking difficulties and high prices. In comparison with the meat dishes, seafoods were considered superior to meat in nutritional value(49.9%), health aspect(46.4%) and taste(42.4%) but seafood stuffs were evaluated inferior to meat in the aspects of preparation process(43.9%), sanitational problems(40.4%) and higher price(35.2%). The favorite fish cooking methods of housewives turned out to be grilling, stewing, eating as raw fish, braising and frying in order. The 74.7% of respondents evaluated that their family preferred seafood dishes, but 37.2% of the subjects prepared seafood dishes 1-2 times a week followed by 3-4 times a week(24.0%), 2-3 times a month(19.6%), once a month(7.4%) and more than once a day(5.3%). The frequency rate of seafood preparation showed significant differences according to the monthly income of the household(p<0.05), the higher the income, the higher the frequency rate. As for the difficulties in preparing seafood dishes, cumbersome processes before cooking(45.4%), high price(10.4%) and sanitational problems of distribution(9.9%) were indicated showing significant differences among the age groups of the subjects(p<0.01). These findings revealed that younger generation housewife group is the major target in promoting seafood consumption at household level. We suggest to develop convenient sale packages and continuing education programs with information about easy handling and preparation of seafoods for the promotion of home cooking.

• THE INTERNATIONAL COMMERCE & LAW REVIEW
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• v.46
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• pp.105-130
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• 2010

CISG provides the place of payment at the Article 57 which if the buyer is not bound to pay the price at any other particular place, he must pay it to the seller (a) at the seller's p lace of business or (b) if the payment is to be made against the handing over of the goods or of documents, at the place where the handing over takes place. When the parties have agreed that payment is to be made against the handing over of the goods or of documents, the place where this is to happen according to the contract or CISG is the place of payment. When the parties have not agreed to this, the place of payment is the seller's place of payment. The buyer does not send the money to seller's office, but pays it to the seller's bank account. Where payment is effected by a L/C, such operations shall be governed by UCP and collection of money governed by URC. The payment at the seller's place of payment affects the rate of interest, currency of money and jurisdiction which is interpreted by Brussel convention and Lugano convention. The principle on which the CISG is based, characterizes the obligation of payment as an obligation to be performed at the creditor's place of business. This principle affects the place of damage claims payable to be at the creditor's that place. Payment at the place of business is required, but not inside the place itself.