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조합공동사업법인 과일 브랜드의 성공 요건 및 관리 방안
윤병삼(Byung-Sam Yoon) 충남대학교 농업과학연구소 2011 농업과학연구 Vol.38 No.3
Brand is becoming more important as a way to achieve differentiation since consumers tend to buy brands not products. This study primarily aims to determine the critical success factors of two world famous fruit brands, Sunkist and ZESPRI, and to present management strategies to enhance the value of domestic fruit brands. The lessons learned from the case studies of Sunkist and ZESPRI reconfirm the importance of essential factors for a successful fruit brand, that is, quality control, steady supply, advertising and promotion, recipes and processed products, handling items and regional boundaries.
양념채소가격의 요일효과, 월별효과 및 월중효과에 관한 연구
윤병삼 ( Byung Sam Yoon ),양승룡 ( Seung Ryong Yang ) 한국농업경제학회 2004 農業經濟硏究 Vol.45 No.2
N/A This study investigates the existence of the day-of-the-week, monthly and intra-month effects in pepper, garlic and onion markets, over the period from January 1992 through December 2003. The multiple regression model with the related dummy variables is estimated by ordinary least squares(OLS) to obtain the average value of daily logarithmic price changes. The day-of-the-week effect, where the average price changes are significantly higher or lower on some days of the week than others, is found in onion prices, with the pattern of positive price changes on Tuesday and negative price changes on Saturday. The monthly effect, where average price changes are much higher or lower in certain months of the year than in any other months, is clearly found in garlic prices, with average price changes being significantly positive in the winter(December, January and February) and the rainy season(August), and significantly negative in the harvesting season(May). The intra-month effect, where average price changes are much higher or lower in certain periods of the month than in any other periods, is found in garlic and onion prices, with average price changes during the first ten days of the month being significantly higher than during the second or third equivalent period of the month. The results imply that if these seasonal effects are persistent in their occurrence and magnitude, producers could develop marketing strategies which enhance their returns on the basis of such systematic patterns.
윤병삼 ( Byung Sam Yoon ),양승룡 ( Seung Ryong Yang ) 한국농업경제학회 2004 農業經濟硏究 Vol.45 No.2
N/A This study is to determine whether TGE corn futures price is an unbiased forecast of its underlying U.S. corn cash price. The test for unbiasedness is a joint test of market efficiency and no-risk premium. The Johansen cointegration result shows that there exists a long-run equilibrium relationship between U.S. corn cash prices and TGE corn futures prices. However, the Johansen likelihood ratio test rejects the null hypothesis of unbiasedness, suggesting the possible existence of either market inefficiency or risk premium. The error correction model(ECM) rejects the market efficiency, and the ARCH-M model rejects the existence of risk premium. The results imply that the TGE corn futures price is not an unbiased predictor of the U.S. corn cash price, and the biasedness is caused by the market inefficiency rather than the presence of risk premium.
윤병삼 ( Byung Sam Yoon ) 한국농업경제학회 2014 農業經濟硏究 Vol.55 No.3
Lean hog futures, the first agricultural futures contract in Korea, is destined to end in failure due to the lack of liquidity. The primary objective of thisstudy is to explore the reasons for the failure of lean hog futures and to draw lessons from the failure of lean hog futures market. This study used the augmented Black(1986) model to determine the relationship between trading volume and price variability of the cash market, size of the cash market, and basis risk. The results show that cash price variability failed to increase the trading volume, while the basis risk decreased the trading volume. This study emphasizes the incorporation of cash-market trade practices into fu-tures contract design and the industry support, market-making efforts(priming the pump), and education and public relations for the introduction of new futures contracts.
조합공동사업법인 과일 브랜드의 성공 요건 및 관리 방안
윤병삼(Byung-Sam Yoon) 충남대학교 농업과학연구소 2011 Korean Journal of Agricultural Science Vol.38 No.3
Brand is becoming more important as a way to achieve differentiation since consumers tend to buy brands not products. This study primarily aims to determine the critical success factors of two world famous fruit brands, Sunkist and ZESPRI, and to present management strategies to enhance the value of domestic fruit brands. The lessons learned from the case studies of Sunkist and ZESPRI reconfirm the importance of essential factors for a successful fruit brand, that is, quality control, steady supply, advertising and promotion, recipes and processed products, handling items and regional boundaries.
윤병삼 ( Byung Sam Yoon ),장인복 ( In Bok Jang ),차선우 ( Seon Woo Cha ) 한국축산경영학회 2013 농업경영정책연구 Vol.40 No.3
The primary objective of the study is to determine the factors that may affect the payment of Korean ginseng checkoff. Specifically, this study aims to analyse how various producer characteristics (demographic and socioeconomic factors) and producer attitudes toward the current voluntary ginseng checkoff program affect the probability of paying checkoff. The results from binary probit and logit models show that producers who have higher annual income and a better understanding of checkoff program are more likely to pay the ginseng checkoff. The results also find that there exist notable regional differences in the payment of ginseng checkoff.
베이시스 추정치를 활용한 곡물 저장전략의 유효성에 대한 검증
윤병삼(Byung Sam Yoon) 한국농업경제학회 2002 農業經濟硏究 Vol.43 No.2
This study is a simulation to test the grain storage strategy that grain should be stored only when the expected basis appreciation exceeds the variable cost of storage. The simulation using a 5-year historical average basis resulted in a ¢8.93/bu(¢11.97/bu) increase in corn(soybeans) storage returns for hedged storage using basis storage signal, compared to routine hedged storage. For hedged storage, average net returns to corn(soybeans) were ¢19.84/bu(¢19.95/bu) higher for years in which the basis storage signal indicated that grain should be stored than for years in which the basis storage signal indicated that grain should not be stored.