Purpose - This study aims to examine the antecedents of willingness to pay in the domain of duty free shop. Design/methodology/approach - This study chooses willingness to pay as explained variable. The candidates of explanatory variables are price fairness, brand awareness, employee service, product diversity, and crowding. This study uses survey to explore the linear relation between variables. This research collected data using online panel data collection service. The number of valid observation is 265. The research targe is Lotte duty free store. Statistical analysis was for statistical inference. To attain the information of survey respondents, frequency analysis is employed. Next, this study implemented exploratory factor analysis and reliability to ensure both validity and reliability of measurement items. This study executed multiple regression analysis to test research hypotheses Findings - Regrading results, brand awareness, employee service, and product diversity are positively associated with willingness to pay of duty free shop product. Moreover, the results of regression analysis suggest the inverted-U shape association between crowding and willingness to pay. However, price fairness appeared as non-significant variable to account for willingness to pay in the multiple regression analysis. Originality - This study contributes to the literature by examining duty free shop customers more.
NGUYEN, Anh Lan Thi;PHAM, Thong Le;TRUONG, Xuyen Vinh Khanh
The Journal of Asian Finance, Economics and Business
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v.9
no.5
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pp.313-324
/
2022
We investigate the impacts of tariff, tariff-rate quota, conformity assessment, and traceability requirements set by the rice importers using panel data of 17 rice exporters exporting to 119 countries in two years 2015 and 2018, using both Ordinary least square (OLS) and Poisson pseudo maximum likelihood (PPLM) methods. Results from our gravity models strongly indicate that tariff and tariff rate quota remain significantly detrimental to the world's rice exporters because these measures place downward pressure on the rice exporters' prices and the importers' import quantity, creating barriers to market participation. Our study also provides strong evidence about the role of origin certificates in allowing rice exporters to gain access to foreign markets. Meanwhile, regulatory standards such as traceability requirements and logistical and distributional requirements imposed by the rice importers are found to be major obstacles to rice importation from less-developed countries. Our study provides insights into tariff and non-tariff barriers existing in the global rice market, which is likely to assist policymakers operating in developing countries to help shape their policies and bolster rice competitiveness.
International conference on construction engineering and project management
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2015.10a
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pp.425-428
/
2015
New technologies using a CNC machine are being developed to reduce the production cost of free-form buildings. For production of free-form members using such technologies, vast free-form buildings should be first split into multiple panels that are productible. Taking into consideration of the curved surface of free-form members, the segmented free-form panels may vary in shape and size, which may cause a lot of errors. In addition, it is time-consuming for the work. However, the current panelizing work is completed with the trials and errors of engineers and architectural designers even in large-scale projects, which results in increased construction duration and cost. Thus, it is necessary to develop a technology for panelizing free-form panels so as to maximize the economic feasibility of production technologies for free-form concrete members. The study intends to develeop automatic panelizing algorithms of free-form buildings considering the curved surface and size of free-form panels and the production conditions. The developed algorithms will be useful in applying the production technologies of free-form buildings using CNC machine and reducing the cost.
Purpose: To design and fabricate the auto pattern maker for the development. Methods: we got the necessary data, needed in design, by using CAD. Based on the these data, we fabricated the trial product for the development of the auto pattern maker. Results: The auto pattern maker were composed with combinations of many elements; pattern making assembly, control panel, frame attachment and prober unit. The pattern making assembly was comprised of the cutter, the pattern holder, pattern remover and silence cover which could minimize the sound during the cutting process. The control panel was designed to be connected and operated with the main printed circuit board. The prober could get the eye shape data by scanning of 1.8 degrees around the groove of the frame through the encoding data according to the address. After starting, scanning was carried out in two passes, i.e. one right-handed and one left-handed. Communication connector could send the eye shape data from auto pattern maker to outer system with the RS232C transmission system. By using the one-way analysis of variance, we got the error rate of cut pattern size for ${\Phi}22mm$, ${\Phi}55mm$ and ${\Phi}62mm$. Because F-value was 0.510 and p-value was 0.601, no statistically significant differences were found. Also, the mean cutting error of the auto pattern maker was 0.0274 mm. Conclusions: we could succeed in making the trial product by applying it to the development of the auto pattern maker. The role of this auto pattern maker is to find a exact required size of lens to fit the frame by measuring the frame. The acquired data are transferred to outer system for grinding and finishing with patternless process. Also, the trial product can produce pattern to fit the frame. Therefore, it was confidently expected that the optometrists could handily produce pattern to fit the frame with this trial product and dispense the ophthalmic lens because of its efficiency and convenience compared to the past.
Journal of the Korean Society of Fisheries and Ocean Technology
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v.36
no.2
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pp.73-88
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2000
A series of analysis and experiment on the fishing gear and method of the existing midwater pair trawl net with 12,800mm of maximum mesh size is carried out to determine the most effective shape factor. As the first step of this study, the fishing gear and method for the existing net are analyzed to solve problems, such as being low of the net height by increasing the towing speed, twist of net pendant and twine, suspension of float between knots of mesh. etc. Standing on these results, the existing net are modified by very effective shape based on the theory and technology designing the fishing gear. Also, the model experiment is carried out to determine the most effective shape factor of the modified net in the circulation water channel. The obtained results can be summarized as follows : 1. On the length of net pendants(No.2 and No.3) connected with side line, opening efficiency of net with length 8.0cm of net pendant is the greatest and in the order of 11.5cm, 15.0cm. 2. On the number of the net pendant, opening efficiency of net with 4 lines of net pendant is the greatest and in the order of 3 lines, 2 lines. Center part of side panel is pushed out backward, and the pushed length is increasing by increasing flow speed. 3. On the sinking force, opening efficiency of the net is increasing by increasing sinking force. And opening efficiency shows almost the same when sinking force is greater about 1.5 times than that of the existing net in case of the net with 3 lines of net pendant, and about 1.6 ~ 1.7 times than that of the existing net in case of the net with 2 lines.
This experiment is to investigate the influence on business by varying the scouring condition of raw silk. The conditions of experiment are changed by temperature, time concentration and scouring reagent as well as the pH value of scouring solution, involving the repeat number of treatment in the same reagent solution. The results are as follows. 1) The shorter the scouring time, the more lousiness showed on law silk. The difference of lousiness quantity are especially remarkable between 30 min. and 60min, while the appearance of lousiness is slight between 50min. and 90min. 2) The lousiness shape was just like splited end and short wool fiber type during than 60 min. scouring, and splited end and long wool fiber type was appeared during 120 min. scouring. 3) The seperation of threads on silk panel was difficult with undissolved sericin in case of lower than 90$^{\circ}C$ of scouring temperature, so that it was almost impossible to inspect lousiness. 4) In case of repeating one after another scouring in the same solution, the more number of treatment, the less sho wed lousiness. Little difference were appeared in the quantity of lousiness from first to eighth repeated scouring, while large difference of quantity was appeared between 8th and 9th repeated scouring. 5) The quantity of lousiness was also increased until scouring reagent (Marseilles soap) is added to 0.75%, but rather decreased with more than 0.75% of soap. The most variety of lousiness quantity was occured when the concentration of soap is changed from 0.15% to 0.20%. 6) The peculiarities of lousiness shape by the concentration of scouring reagent were as followings; most of lousiness are splited end short wool fiber type with lower wool fiber type with higher than 0.75%, and the mixture of both the former and the latter with 0.5% concentration. 7) The quantity of lousiness by the kind of scouring reagent was the least with 5% of Na$_2$CO$_3$ solution, and the most with the mixture of 0.25% Marseilles soap and 0.25% Na$_2$CO$_3$. 8) The more increased pH value, the more lousiness showed. The peculiarities of lousiness shape was the splited end and short wool fiber type, and the end and long wool fiber type with higher value of pH 11 because of the decreased strength of threads and the cutting of brin. 9) With the discussions mentioned the above, the scouring conditions to decrease the lousiness quantity are summarized as follows. (1) It is better to take the possible long time of scouring. (2) Temperature should be kept higher than 95$^{\circ}C$ for complete scouring. (3) It was the best to use 0.5% of Marseiles soap as scouring reagent. (4) No good results were produced by using the mixture of scouring reagent. (5) The best pH range of scouring solution was 9.5 to 10.5.
Asia-Pacific Journal of Business Venturing and Entrepreneurship
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v.9
no.4
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pp.13-25
/
2014
This study advances research on new venture by taking the organizational ecology perspective to explore the relationship between social legitimacy and new venture performance. We examine how entrepreneurs' organizing activity and social norm shape the social legitimacy. This paper also categorizes the social norms into three parts: social norm that is 1) supporting success achieved through one's own effort 2) encouraging start-up, and 3) promoting risk-taking. Using a dataset of PSED(Panel Study of Entrepreneurial Dynamics) from 2005 to 2011, we found that entrepreneurs' organizing activity has a positive effect on new venture performance. In addition, this study presents the moderating effects of 'liability of newness' that decreases the effect of organizing activity on new venture performance. Interestingly, with respect to the social norm, 'liability of newness' only moderates the relationship between start-up encouraging social norm and new venture performance.
Kim, Heon-Tae;Jung, Byeong-Yeol;Lee, Sang-Soo;Song, Ha-Young
Journal of the Korea Institute of Building Construction
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v.14
no.4
/
pp.308-313
/
2014
Recently, for longevity of resident building, the main trend is that the change of the inside space organization of resident building from wall construction to rhamen construction, which resulted in increase in use of lightweight composite panel. Thus, in this study, authors analyzed the engineering property of oxide of magnesium depending on the magnesium chloride addition ratio. The results of this research is expected to contribute on providing a fundamental material for the surface materials of lightweight composite panel. As the result of the experiment, as fluidity increased, air content decreased and initial set and final set as the magnesium chloride addition ratio increase. In the aspect of flexural strength and compressive strength, the test specimen showed the highest strength at 40% of the magnesium chloride addition ratio. At 20% of the magnesium chloride addition ratio, the test specimen showed the lowest water absorption rate. As the magnesium chloride addition ratio increases, the expansibility tends to increase as well in the aspect of shrinkage strain. After observing microstructure, we can see hydration products in the form of needle. It appeared high flexural strength because the hydration products have mineral fibrous tissue shape, which also contribute to the cause of the expansibility.
Journal of the Korean Applied Science and Technology
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v.34
no.1
/
pp.152-162
/
2017
A hydrophilic coating solution was prepared by adding a silane coupling agent and a nano-inorganic oxide in aqueous surfactant solution to increase the efficiency of photovoltaic power generation due to the introduction of antifogging and antifouling properties on the glass surface of the solar cell module. Addition of $Ludox^{(R)}$, a nano-inorganic oxide, to 1% hydrophilic coating solution showed improved hydrophilicity and excellent antifogging effect regardless of $Ludox^{(R)}$ concentration. However, the antifouling effect on the glass surface was showed only when Ludox was added more than 10%. In the case of addition of 0.7% of hydrolyzed TEOS at pH 4, the antifogging effect was maintained as a result of the steam test as well as the antifouling effect even after the coated glass surface was rubbed 100 times with a wet Kimwipe. In addition, from the surface roughness ($R_q$) calculated using AFM data, the higher surface roughness with irregular surface shape was obtained with the higher concentration of TEOS. The addition of 0.7% of TEOS showed relatively high surface roughness and well organized surface condition which can help to improve transmittance of light. In conclusion, $Ludox^{(R)}$ is not required only for the antifogging property. However, at least 10% of Ludox should be added to show antifouling effect and 0.7% of TEOS should be added for good durability.
Since the Northridge earthquake (1994) and Kobe earthquake (1995), the concept of performance-based design has been actively introduced to design major structures and buildings. Recently, the seismic design code was established for fire protection facilities. Therefore, the important fire protection facilities should be designed and constructed according to the seismic design code. Accordingly, uniform hazard spectra (UHS), with annual exceedance probabilities, corresponding to the performance level, such as operational, immediate occupancy, life safety, and collapse prevention, are required for performance-based design. Using the method of probabilistic seismic hazard analysis (PSHA), the uniform hazard spectra for 5 major cities in Korea with a recurrence period of 500, 1,000, and 2,500 years corresponding to frequencies of (0.5, 1.0, 2.0, 5.0, 10.0)Hz and PGA, were analyzed. The expert panel was comprised of 10 members in seismology and tectonics. The ground motion prediction equations and several seismo tectonic models suggested by 10 expert panel members in seismology and tectonics were used as the input data for uniform hazard spectrum analysis. According to sensitivity analysis, the parameter of spectral ground motion prediction equations has a greater impact on the seismic hazard than seismotectonic models. The resulting uniform hazard spectra showed maximum values of the seismic hazard at a frequency of 10Hz and also showed the shape characteristics, which are similar to previous studies and related technical guides for nuclear facilities.
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