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인지적 편향과 불안감이 미국 대학생의 위험 신용 행동에 미치는 영향과 상호작용효과
안선영 ( Sun Young Ahn ),( Ya-hui Kuo ),( Joyce Serido ),심소연 ( Soyeon Shim ) 대한가정학회 2018 Human Ecology Research(HER) Vol.56 No.5
This study determines whether certain cognitive biases (i.e., time preference, goal attainment expectation, unrealistic optimism, and overconfidence) and a specific negative mood-state (i.e., anxiety) influence credit misuse among college students. Data were collected from fourth-year college students (N=1,146), all of whom attended the same university in the southwest United States. Hierarchical multiple regression analyses and moderator analyses were employed to test the research hypotheses. Results showed that specific cognitive biases and anxiety were directly associated with credit misuse. We found that the longer goal attainment was delayed, the greater the students’ unrealistic optimism concerning future income; in addition, the more overconfident they became with respect to financial knowledge, the more frequently they engaged in credit misuse. The study also showed that the higher a student’s level of anxiety, the more often that students engaged in credit misuse. We also found that cognitive bias factors and anxiety interact to influence credit misuse. Anxiety interacted with time preference and unrealistic optimism such that present-oriented time preference was negatively related to credit misuse while optimism toward future income was positively related to credit misuse, but only for students with high anxiety levels. The findings of this study are discussed in the context of understanding and preventing irresponsible financial behavior among young adults.
Remnyl Joyce Pellerin,Nomar Espinosa Waminal,Ji Young Kim,Yurry Um,Hyun Hee Kim 한국원예학회 2017 원예과학기술지 Vol.35 No.6
Platycodon grandiflorum has long been cultivated for its medicinal properties and economic value, prompting crop improvement programs that have spurred the development of new cultivars. However, limited cytogenetic information is available for this species, especially for different P. grandiflorum cultivars. Karyotype analysis via fluorescence in situ hybridization (FISH) provides essential information about chromosome count and the localization of DNA sequences, thus providing a chromosome-level understanding of genome structure. Here, we carried out triple-color FISH karyotype analysis of various P. grandiflorum (Jacq.) A. DC. cultivars using 5S and 45S ribosomal DNA (rDNA) and telomeric repeat probes. The karyotype is composed of 2n = 18 chromosomes consisting of seven pairs of metacentric chromosomes, one pair of submetacentric chromosomes, and one pair of subtelocentric chromosomes. The chromosome length ranges from 1.92 to 4.98 μm. One pair of 5S rDNA loci was observed on either the intercalary or pericentromeric regions of chromosome 3. All cultivars showed 45S rDNA signals on chromosome 9, and in two closely related cultivars, one additional pair of 5S rDNAs co-localized with these 45S rDNAs. Arabidopsis -type telomeric repeats were observed in most telomeric regions of the chromosomes in all seven cultivars. Our data lay the foundation for future cytogenetic studies of P. grandiflorum focusing on breeding and the elucidation of its genome structure.
Mudondo Joyce,Lee Hoe-Suk,Jeong Yunhee,Kim Tae Hee,Kim Seungmi,Sung Bong Hyun,Park See-Hyoung,Park Kyungmoon,Cha Hyun Gil,Yeon Young Joo,김희택 한국미생물·생명공학회 2023 Journal of microbiology and biotechnology Vol.33 No.1
Polyethylene terephthalate (PET) is a plastic material commonly applied to beverage packaging used in everyday life. Owing to PET’s versatility and ease of use, its consumption has continuously increased, resulting in considerable waste generation. Several physical and chemical recycling processes have been developed to address this problem. Recently, biological upcycling is being actively studied and has come to be regarded as a powerful technology for overcoming the economic issues associated with conventional recycling methods. For upcycling, PET should be degraded into small molecules, such as terephthalic acid and ethylene glycol, which are utilized as substrates for bioconversion, through various degradation processes, including gasification, pyrolysis, and chemical/biological depolymerization. Furthermore, biological upcycling methods have been applied to biosynthesize value-added chemicals, such as adipic acid, muconic acid, catechol, vanillin, and glycolic acid. In this review, we introduce and discuss various degradation methods that yield substrates for bioconversion and biological upcycling processes to produce value-added biochemicals. These technologies encourage a circular economy, which reduces the amount of waste released into the environment.
Audhesh K Paswan,Joyce A Young,Robert D Green People&Global Business Association 2000 Global Business and Finance Review Vol.5 No.1
Using three of Macneil's relational norms within the context of Indian buyer-seller relationships, this study empirically examines the effect of relational norms on channel member support activities undertaken by manufacturers. The results of path analyses suggest that solidarity, the preservation of a trusting, ongoing relationship, may be an important determinant of marketing-related support activities provided to channel members. On the other hand, role integrity, which captures the complexity aspect of relational norms, and mutuality, which is the preclusion of regular monitoring, have insignificant effects on channel member support activities.
DOMESTIC VERSUS CROSS-BORDER ALLIANCES: AN EXPLORATORY STUDY OF RELATIONSHIP DIFFERENCES
Faye S McIntyre,Joyce A Young,Faye W Gilbert People&Global Business Association 1997 Global Business and Finance Review Vol.2 No.2
International alliances predominate the literature (Terpstra and Simonin 1993), even though almost one-half of strategic alliances formed by U.S. firms in the late 1980s involved domestic partners (Culpan and Kostelac 1993). This study compares domestic and cross-border alliances in two areas: the structural framework (linkage, form, mode, coverage, and motive) and performance (perceived effectiveness) of the relationship. The findings indicate that though significant differences exist in the structural framework of domestic and cross-border alliances, these differences do not precipitate divergent levels of relationship effectiveness. Alliances, regardless of partner origin, appear effective at meeting the expectations created by such a cooperative venture.