• 유통과학연구
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• 제21권3호
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• pp.61-69
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• 2023

Purpose: This study's purpose is to conduct empirical research on online comments affect Vietnamese consumers' impulsive buying in e-distribution. This study also considers affecting of browsing toward the urge to buy, and the urge to buy toward impulse buying in e-distribution. Research design, data and methodology: This study used the non-probability method to assemble data from 273 customers' online buying experiences via a Google Forms online survey. By using SmartPLS, the data were examined for reliability, convergent validity, discriminant validity of the variables, and proposed hypothesis testing. Results: The empirical study discovered that internet comments with utilitarian and hedonistic values had a positive effect on browsing, the urge to buy, and impulse purchases in e-distribution. Additionally, the result revealed that browsing had a positive influence on the urge to purchase. Likewise, the findings also disclosed that the urge to buy had a favorable effect on impulse buying. Conclusions: This study offered a thorough conceptual model of internet feedback influencing browsing, urge to buy, and impulsive purchases in e-distribution. Also, to increase impulsive buying, this study will assist e-distribution managers in concentrating on developing innovative marketing strategies and action plans that take into consideration consumers' internet reviews, browsing, and urge to buy.

• 한국시뮬레이션학회논문지
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• 제18권1호
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• pp.53-62
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• 2009

실 기동 훈련을 기반으로 획득한 데이터는 전투 또는 워게임 모델링 및 시뮬레이션에 중요한 역할을 지니게 된다. 특히 이들 데이터는 무기체계 분석을 위한 중요한 입력자료로 활용하게 된다. 현존하는 분석모델들은 사격시간간격의 평균값을 상수로 지정하여 적용하여 왔으나 사격시간간격은 기존 확률분포 또는 경험분포로 적합하여 사용함이 보다 현실적이라고 할 수 있다. 실제 전장의 데이터를 획득하기 어려운 여건이므로 실기동 훈련으로 획득된 경험 데이터를 활용할 수 있는 방법을 제시한다. 본 연구는 확률과정을 따르는 전투상황을 보다 근접하게 모의할 수 있는 새로운 접근방법 및 기법을 연구하고 비교한다. 이 연구는 다양한 혼합 무기체계, 적정 전투의 규모, 그리고 전술적 측면 등을 포함하는 향후 연구과제의 필요성을 제기하면서 이를 위한 첫 번째 단계에 해당하는 기초연구이다.

• Journal of Korea Trade
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• 제26권5호
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• pp.39-55
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• 2022

Purpose - This study empirically examines the effect of the Korean government export promotion program (EPP) on small and medium-sized enterprise (SMEs) export performance using firm-level data. Unlike most previous studies that investigated some specific samples of firms, this study analyzes a vast amount of SME data of the Korean Small and Medium Business Administration over the period 2005 to 2008. Design/methodology - An endogeneity problem arises when a firm's probability of being selected is correlated with the likelihood of successfully implementing EPPs. To control for the endogeneity of the EPPs in a relatively short-period sample, we employ 2-Stage Residual Inclusion (2SRI) RE-Tobit and bivariate Tobit procedure. Findings - Analyses show that Korean government EPPs have positive significant effects on SME exports. Empirical results also show that SME export activities are significantly encouraged by R&D investment and capital intensity, but not obviously by labor productivity. Originality/value - This study provides evidence that SME capital intensity, R&D investment, and the number of workers are significant determinants to SME exporting activities, whereas per worker labor cost and employee education are not. These results imply that even for SMEs, firm size is a major factor in promoting exporting activities.

• The Journal of Asian Finance, Economics and Business
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• 제9권3호
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• pp.77-82
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• 2022

In Bangladesh, developing students' entrepreneurial intentions have received a lot of attention because of the country's current employment predicament and shifting labor market. Entrepreneurs play a critical part in a country's economic development. This study aims to examine the impact of creativity and innovation on students' intentions toward online entrepreneurship in Bangladesh. The participants in this study were Bangladeshi university students. Based on pre-tested constructs, a survey questionnaire was created. Convenience sampling, which is a common type of non-probability sampling, was used to choose participants for the sample. A total of 150 students from the public university took part in the survey, with 120 replies being accepted as complete, resulting in an 80 percent response rate. Hence, the sample size is 120. Internal consistency was determined using Cronbach's alpha, while correlation and hypothesis tests were analyzed using SPSS version 26.0. The results reveal that creativity and innovation have a statistically significant and positive impact on students' intentions to engage in online entrepreneurship. These two independent factors explained 75% of the variance in intention to engage in online entrepreneurship, resulting in empirical findings and solid information in the present body of knowledge. The study concludes with a conclusion and research implications for the future.

• 한국해안·해양공학회논문집
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• 제24권1호
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• pp.1-9
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• 2012

조위편차는 최근 기후변화에 의한 영향으로 연안 안전 방재 측면에서 매우 중요한 인자로 부각되고 있다. 태풍강도 등과 더불어 변화가 예상되는 조위편차는 해안구조물의 안전 및 기능검토에 필요한 기준해수면 결정에 기여하는 중요한 인자이다. 우리나라 연안 조위편차의 확률밀도함수는 음 양의 왜도와 정규분포보다 큰 돌도를 가지는 분포로, 정규분포로 근사화하는 방법은 한계가 있기 때문에 본 연구에서는 비모수적 방법인 Kernel 함수를 이용하여 확률밀도함수를 추정 제안하였다. 본 연구에서 제안된 확률밀도함수는 조위편차자료의 분포와 매우 우수한 일치수준을 보이고 있으며, 다양한 극값 추정에도 높은 수준의 정도를 보여주고 있다.

• 환경정책연구
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• 제5권3호
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• pp.1-24
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• 2006

최근 들어 기업의 사회적 책임이 강조되면서 환경보전을 위한 기업의 노력이 확대되고 있다. 과거에는 기업의 환경투자는 비용요인으로 기업의 재무성과에 악영향을 미친다고 생각되어 왔으나 최근에 환경투자는 기업가치 제고의 수단으로 인식되고 있기도 하다. 이러한 상황에서 본 연구에서는 기업의 경영성과와 환경성과 사이에는 어떤 관계가 있는가를 탐구하였다. 본 연구에서는 기업의 재무성과를 기존 연구에서 이용하였던 수익성 지표뿐만 아니라 기업의 파산위험이라는 측면에서 측정하였다. 그 결과 환경성과는 기업의 수익성 지표인 ROE와 양의 상관관계에 있을 뿐만 아니라 기업의 위험지표인 부도확률과 음의 상관관계가 있는 것으로 나타났다. 본 연구의 결과는 기업들이 기업지속가능성(corporate sustainability) 차원에서 환경투자가 필수불가결하다는 것을 시사하고 있다. 물론 탁월한 환경성과가 높은 재무성과를 보장하는 충분조건은 아니나 적어도 높은 재무성과를 위한 필요조건이라 할 수 있다. 따라서 기업은 환경투자를 단순한 비용으로 인식하지 말고 미래의 수익성 제고를 위한 투자로 인식하여야 할 것이다.

• Ocean Systems Engineering
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• 제9권3호
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• pp.287-328
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• 2019

Comprehensive understanding of the flood risk assessments via frequency analysis often demands multivariate designs under the different notations of return periods. Flood is a tri-variate random consequence, which often pointing the unreliability of univariate return period and demands for the joint dependency construction by accounting its multiple intercorrelated flood vectors i.e., flood peak, volume & durations. Selecting the most parsimonious probability functions for demonstrating univariate flood marginals distributions is often a mandatory pre-processing desire before the establishment of joint dependency. Especially under copulas methodology, which often allows the practitioner to model univariate marginals separately from their joint constructions. Parametric density approximations often hypothesized that the random samples must follow some specific or predefine probability density functions, which usually defines different estimates especially in the tail of distributions. Concentrations of the upper tail often seem interesting during flood modelling also, no evidence exhibited in favours of any fixed distributions, which often characterized through the trial and error procedure based on goodness-of-fit measures. On another side, model performance evaluations and selections of best-fitted distributions often demand precise investigations via comparing the relative sample reproducing capabilities otherwise, inconsistencies might reveal uncertainty. Also, the strength & weakness of different fitness statistics usually vary and having different extent during demonstrating gaps and dispensary among fitted distributions. In this literature, selections efforts of marginal distributions of flood variables are incorporated by employing an interactive set of parametric functions for event-based (or Block annual maxima) samples over the 50-years continuously-distributed streamflow characteristics for the Kelantan River basin at Gulliemard Bridge, Malaysia. Model fitness criteria are examined based on the degree of agreements between cumulative empirical and theoretical probabilities. Both the analytical as well as graphically visual inspections are undertaken to strengthen much decisive evidence in favour of best-fitted probability density.

• Proceedings of the National Institute of Ecology of the Republic of Korea
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• 제3권3호
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• pp.149-153
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• 2022

The degree distribution of the plant-pollinator network was identified by analyzing the data in the ecosystem and reproduced by a model of the growing bipartite mutualistic networks. The degree distribution of pollinator shows power law or stretched exponential distribution, while plant usually shows stretched exponential distribution. In the growth model, the plant and the pollinator are selected with probability P_p and P_A=1-P_p, respectively. The number of incoming links for the plant and the pollinator is l_p and l_A, respectively. The probability that the link of the plant selects the pollinator of the existing network given as $A_{k_i}=k^{{\lambda}_A}_i/{\sum}_i\;k^{{\lambda}_A}_i$, and the probability that the pollinator selects the plant is $P_{k_i}=k^{{\lambda}_p}_i/{\sum}_i\;k^{{\lambda}_p}_i$. When the nonlinear growth index is 𝛌_X=1 (X=A or P), the degree distribution follows a power law, and if 0≤𝛌_X<1, the degree distribution follows a stretched exponential distribution. The cumulative degree distributions of plants and pollinators of 14 empirical plant-pollinators included in Interaction Web Database were calculated. A set of parameters (P_A,P_P,l_A,l_P) that reproduces these cumulative degree distributions and a growth index 𝛌_X (X=A or P) were obtained. We found that animal takes very heterogenous connections, whereas plant takes a more flexible connection network.

• 아태비즈니스연구
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• 제12권2호
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• pp.115-129
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• 2021

Purpose - This study aimed to clarify the effects of tax investigation probability on accounting transparency in KOSDAQ firms by using financial statement. In particular, it was analyzed whether the characteristics of a firm's listed market have a discriminatory effect on the relationship between the tax investigation selection rate (or detection rate) and earnings management. Design/methodology/approach - This paper examines analyzed the effect of tax investigation of the National Tax Service on the earnings management. The sample includes 9,603 firms listed on KOSPI and KOSDAQ from 2011 to 2018, all of which are manufacturing firms. This study conducted correlation and multiple regression analyses to verify the relationship between tax investigation probability and earnings management. The possibility of a tax investigation is the selection rate and the detection rate, and the profit adjustment was estimated at discretionary amount. Findings - As a result of empirical analysis, both firms listed on KOSPI and KOSDAQ markets showed that the higher the tax investigation rates, the more significant the possibility of reducing the earnings management of discretionary accruals. Additionally it was found that in KOSDAQ markets firms, the tax investigation detection rates had a signigicant nagative effect on discretionary accruals. Research implications or Originality - It can be interpreted that firms with a high rates of receiving a tax investigation decrease earnings management consideration of expenses such as additional tax amount due to the tax audit or a decline in corporate image.

• Journal of Korea Trade
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• 제23권5호
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• pp.129-144
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• 2019

Purpose - Recent empirical studies have reached mixed results on the effects of financial liberalization and currency crises. We argue that this relationship is likely to depend both on whether controls are primarily on the degrees of financial liberalization and on the stability of the government. Using the disaggregated data on financial liberalization recently developed by Abiad et al (2010) for a sample of 30 emerging countries over the period 1995-2015, we attempt to investigate the political economy determinants of currency crises. Design/methodology - Our empirical model considers the relationship between financial liberalization and currency crises for emerging market economies. This study employs the existing theoretical framework to identify the disaggregate level for financial liberalization across countries. Using a multivariate logit model, this study attempts to estimate the interrelationship among financial liberalization, government stability and currency crises complemented by a case study of South Korea. Findings - Our main findings can be summarized as follows: we find strong support for the proposition that more liberalized financial institutions are positively associated with the probability of currency crises especially under less stable governments, but reduce the risks of currency crises especially for more stable governments. We also examine the role of financial systems with the case of South Korea after Asian financial crises and the results are further supported and consistent with the empirical findings. Originality/value - Existing studies focus on the economic factors across countries. This paper instead attempts to evaluate the effects of financial liberalization and currency crises by incorporating political considerations with newly developed dataset on financial liberalization, which are essential to the understanding of the causes of currency crises.