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한국농업경제학회> 농업경제연구

농업경제연구 update

Korean Journal of Agricultural Economics

  • : 한국농업경제학회
  • : 농학분야  >  농경제
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  • : 연속간행물
  • : 연간
  • : 1598-1541
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수록정보
62권3호(2021) |수록논문 수 : 5
간행물 제목
63권3호(2022년 09월) 수록논문
최근 권호 논문
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저자 : Hoyeon Jeong , Youngjune Kim , So Yeong Lim

발행기관 : 한국농업경제학회 간행물 : 농업경제연구 63권 3호 발행 연도 : 2022 페이지 : pp. 153-168 (16 pages)

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This study contributes to guidance for understanding farmland purchase and rent decisions in Korea via an analysis using a machine learning tool, Random Forests: A Supervised Machine Learning Algorithm. Farm Household Economy Survey is employed to predict the relationship between farmland acquisition and farm household economic characteristics. Our main findings are two folds. First, a farmland purchase decision is positively related to transfer incomes, the value of inventory & fixed assets, and the value of farmland that farmers owned. Second, a farmland rent decision is also positively associated with a rent paid in a prior year, revenue from field crops, inventory and agricultural assets, and transfer incomes.

저자 : Yiyang Qiao , Byeong-il Ahn

발행기관 : 한국농업경제학회 간행물 : 농업경제연구 63권 3호 발행 연도 : 2022 페이지 : pp. 169-191 (23 pages)

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In 2018, African Swine Fever (ASF) first broke out in China and had a noticeable effect on China's pork market and the entire meat market. This paper models China's meat market, including pork, beef, mutton, and poultry, and examines how the outbreak of ASF impacts structural changes in China's meat demand. We use the inverse almost ideal demand system (IAIDS) model and employ province-level meat consumption and price data to form the panel data set of 30 provinces of China from 2015 to 2020. Our results indicate that ASF has a significant impact on the demand for pork, poultry, and mutton. Based on the estimated price flexibilities and scale flexibilities, we find that the outbreak of ASF impacts structural change in China's meat demand. Furthermore, our results show the heterogeneity of the ASF's effects across different provinces in China.

저자 : Cherry Kim , Kwansoo Kim

발행기관 : 한국농업경제학회 간행물 : 농업경제연구 63권 3호 발행 연도 : 2022 페이지 : pp. 193-218 (26 pages)

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An unexpected surge in sugar imports in 2008 under NAFTA resulted in a large U.S. sugar price fluctuation. This study explores the acreage decision for U.S. sugar beets in an environment where both price support and trade liberalization takes place at the same time. Our empirical analysis is based on county-level data for sugar beets and three substitute crops (corn, soybean and wheat) in twelve U.S. sugar beet growing states over 1997-2018. While we find that an increase in price fluctuation overall has adverse impacts on acreage, the results indicate that farmers respond to price risk differently before and after NAFTA and to the level of price risk. This suggests a need for more precise policy instruments that better protect against unexpected income loss rather than a fixed level of support and enable producers to deal with future extreme events.

저자 : Dong Hwi Kim , Yoon Hyung Kim , Seongwoo Kim

발행기관 : 한국농업경제학회 간행물 : 농업경제연구 63권 3호 발행 연도 : 2022 페이지 : pp. 219-238 (20 pages)

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This study analyzed the benefits of the B2B online agricultural exchange, which is promoted by the government for digital transformation in the distribution sector as the Fourth Industrial Revolution technology is introduced and the agricultural distribution environment is changing rapidly owing to COVID-19. Currently, the Korean government is conducting the national B2B online agricultural exchange, where sellers, including producer organizations and agricultural corporations, can make direct transactions and buyers, including public market wholesale corporations, intermediaries, and trade participants, can purchase agricultural products through the online platform, regardless of time and location.
Against this backdrop, we analyzed the potential benefits of the online agricultural exchange, divided into those from the reduction in distribution stages and from the increase in user convenience. For the analysis, benefits from the reduction in distribution stages are divided into logistics cost saving, shrinkage loss reduction, and commission reduction. Benefits from the increase in user convenience are divided into shipper's saving of search cost and buyer's saving of transaction cost. Assuming that the online agricultural exchange is worth KRW 500 billion, the expected economic benefit was analyzed to be about KRW 38.3 billion per year.

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저자 : Heesun Lim , Kyungsoo Nam , Byeong-il Ahn

발행기관 : 한국농업경제학회 간행물 : 농업경제연구 62권 3호 발행 연도 : 2021 페이지 : pp. 155-175 (21 pages)

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In this paper, the effect of receiving various forestry subsidies on the forestry income and economic surplus of forestry households is evaluated using the Propensity Score Matching(PSM) method. The results indicate that the four types of forestry subsidies, which are public, small-scale, and two individual small-scale support programs, have positive effects on both the forestry income and economic surplus of forestry households. The effects of the two individual small-scale support programs are estimated to outweigh the effects of small-scale support programs on forestry income and economic surplus. It can be interpreted that the support program of eco-friendly forest product cultivation management, which is a fertilizer support program, have a large marginal effect that can have a direct effect on crop production. Unlike the support program of infrastructure construction that has a long-term effect, the effect of the support program of forest product commercialization is analyzed to be evident in the short term.

저자 : Yeongseon Joo , Taeyoon Kim , Dang Khoa Nguyen , Chungman Kim

발행기관 : 한국농업경제학회 간행물 : 농업경제연구 62권 3호 발행 연도 : 2021 페이지 : pp. 177-200 (24 pages)

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Fresh Korean ginseng needs more credibility in the Vietnam market since fresh ginseng imported from China is increasing, and the Vietnam government promotes its national Ngoc Linh ginseng brand. Therefore, this study determines factors of three shopping places (the department store, supermarket, and ginseng specialty store), the certification label of good agriculture products (Viet GAP), Korean nationality, and three famous private brands of CheongKwanJang, HanSamIn, and Geumhong affecting Vietnamese consumers' fresh ginseng choices based on 897 respondents from Hanoi and Hochiminh City in January 2018. Conditional and random parameter logits are used to find differences in the independent assumptions' relaxation among irrelevant alternatives. Hausman test for IIA assumptions holds for the choice of the department store, ginseng specialty store, and None. Overall results show that shopping places, the Korean national flag, and the existence of VietGap positively affect Vietnam consumers' choices. However, none of the Korean private brands could significantly affect Vietnamese choice for fresh ginseng products. The shopping place of ginseng specialty stores gets the highest WTP, followed by supermarkets and department stores. Korean national flag also shows a high WTP, which is higher than Vietgap, a certificate from Vietnam agricultural products. Female consumers tend to pay more WTP than males. Hochiminh consumers are willing to pay more than Hanoi consumers on average. Of course, the high-income consumers tend to pay more WTP than the low-income group. However, the low-income groups still demand fresh ginseng at a significant price. Understanding different price effects by consumer groups seem helpful for small and medium enterprises to market their ginseng products into Vietnam by further considering the origin of Korean nationality.

저자 : Dong Hee Suh

발행기관 : 한국농업경제학회 간행물 : 농업경제연구 62권 3호 발행 연도 : 2021 페이지 : pp. 201-220 (20 pages)

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This study examines households' habit formation in consumption and investigates how household budget allocations are related to welfare changes. The results of the dynamic almost ideal demand system show that there exist habit persistence in purchasing food, clothing, housing, and health items and depletion in other items. Regarding the price responsiveness, the results reveal that price changes result in household budget reallocations with varying income and substitution effects. Moreover, the compensating variations are used to measure welfare changes between 2003 and 2016. The results represent that the increased prices result in welfare losses despite households' budget reallocations across all income quintiles.

저자 : Donghyun Moon , Sanghyo Kim

발행기관 : 한국농업경제학회 간행물 : 농업경제연구 62권 3호 발행 연도 : 2021 페이지 : pp. 221-250 (30 pages)

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Competition in the Korean milk market is being intensified with the emergence of a variety of product-differentiated milk. The purpose of this study is to measure implicit values of functional attributes of fluid milk products in Korea, which is a representative example of product differentiation. Hedonic price analysis and households' milk purchase data were employed for this study. Our findings suggest that Korean consumers have a high value for lactose-free property (25.4% price premium) over conventional milk. This reflects the fact that many Korean adults have lactose intolerance and the lactose-free properties can help digest milk without negative symptoms. In addition, the estimated price premium for the calcium-fortified attribute was positive but a little higher over the base case at 2.4% level. In the case of vitamin fortification, it was found to have a negative value (-34.6%). Our results are expected to be useful for the milk industry to make decisions about the investment, production, or pricing strategy.

저자 : Won Seok Lee , Hyun Seok Kim

발행기관 : 한국농업경제학회 간행물 : 농업경제연구 62권 3호 발행 연도 : 2021 페이지 : pp. 251-265 (15 pages)

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This study derives the optimal subsidy rate on the installation expenses of smart greenhouse farming system (SGFS) to maximize farm income. To derive the optimal support rate, this study determines the adoption rates of SGFS by the rate of subsidy using TOA-MD model, and estimated the price flexibility of tomato using inverse demand function. The adoption rate of SGFS by tomato farms at the current price level increases rapidly with 50% to 100% subsidy rates. The estimated the price flexibility coefficient of tomato is -5.12 which implies that 1% increase in tomato production induces 5.12% decrease in the price. Using the determined SGFS adoption rates and the estimated price flexibility of tomato, this study finds that the changes in farm income by adopting SGFS gradually increase from 35,210,000 KRW/ha without subsidy to 38,420,000 KRW/ha with the 55% subsidy rate, then the farm income changes rapidly decrease and turn to negative at the 73% subsidy rate. Hence, we can conclude that the optimal support rate on the SGFS installation costs is 55% to maximize farm income.

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