Australian Journal of Agricultural and Resource Economics最新文献_第4页

Meat production and zoonotic disease outbreaks in Asia 亚洲的肉类生产和人畜共患病爆发

IF 2.6 3区经济学

Australian Journal of Agricultural and Resource Economics Pub Date : 2024-06-18 DOI: 10.1111/1467-8489.12576

Ore Koren, Jessica Steinberg, Amit Hagar

{"title":"Meat production and zoonotic disease outbreaks in Asia","authors":"Ore Koren, Jessica Steinberg, Amit Hagar","doi":"10.1111/1467-8489.12576","DOIUrl":"https://doi.org/10.1111/1467-8489.12576","url":null,"abstract":"Is there a link between meat production and infectious diseases? Researchers, policymakers and pundits argue that the growth of demand for meat in Asia can increase the risk of zoonotic diseases, pathogens that originate in animals and can be transmitted to humans. Using original data on zoonotic disease outbreaks in 22 Asian countries between 1996 and 2019, this study examines the impact of beef, chicken and pork production on zoonotic outbreaks—focussing on all diseases and disaggregated subcategories. Because such outbreaks lead to culling animals, data on inorganic chemical fertiliser use are used to identify the plausibly exogenous relationship flowing from meat production to outbreaks. Results indicate that in these countries, intensive meat production may have contributed to a 16%–300% rise (for a one-million-tonne increase in output) in zoonotic outbreak incidence. Findings also suggest this relationship is primarily driven by flu pathogens' higher sensitivity to meat production, with a one-million-tonne increase in output being associated with a 48%–530% rise in the number of predicted flu outbreaks. These results are consistent across numerous sensitivity analyses accounting for modelling, operationalisation, and data selection choices.","PeriodicalId":55427,"journal":{"name":"Australian Journal of Agricultural and Resource Economics","volume":"68 3","pages":"567-586"},"PeriodicalIF":2.6,"publicationDate":"2024-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/1467-8489.12576","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141584117","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

How to reduce household food waste during and after the COVID-19 lockdown? Evidence from a structural model 如何在 COVID-19 封锁期间和之后减少家庭食物浪费？来自结构模型的证据

IF 2.6 3区经济学

Australian Journal of Agricultural and Resource Economics Pub Date : 2024-05-31 DOI: 10.1111/1467-8489.12559

Yu Zhang, Danyi Qi

{"title":"How to reduce household food waste during and after the COVID-19 lockdown? Evidence from a structural model","authors":"Yu Zhang, Danyi Qi","doi":"10.1111/1467-8489.12559","DOIUrl":"https://doi.org/10.1111/1467-8489.12559","url":null,"abstract":"The COVID-19 lockdown precipitated a fundamental shift in consumer food-related behaviours. Owing to adherence to stay-at-home directives and concerns over potential exposure to the coronavirus, consumers engaged in less frequent in-person shopping, opting for larger quantities of food purchased per trip, a trend with the potential to exacerbate food wastage patterns among bulk food purchasers. Nevertheless, recent empirical data obtained from the United Kingdom have revealed a 34% reduction in household food waste during the nationwide lockdown in April 2020. To gain deeper insights into the underlying mechanisms governing household food waste behaviours, we employ an infinite horizon dynamic stochastic model that operates on a daily cycle, focusing specifically on household food inventory management. Our analysis demonstrates that absent any improvements in food management practices, panic-stricken consumers who stockpiled food at home during the early phase of the pandemic generated significantly higher levels of food waste. Conversely, consumers who embraced effective food management techniques and transitioned to online grocery shopping managed to reduce household food waste by about 50% during the pandemic. Additionally, we conduct simulations to envision potential post-pandemic scenarios and conclude the study with a set of recommendations aimed at curbing household food waste in the aftermath of the pandemic.","PeriodicalId":55427,"journal":{"name":"Australian Journal of Agricultural and Resource Economics","volume":"68 3","pages":"628-652"},"PeriodicalIF":2.6,"publicationDate":"2024-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141584131","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Will irresistible force overcome immovable object? 不可抗拒的力量能否战胜不可移动的物体？

IF 2.6 3区经济学

Australian Journal of Agricultural and Resource Economics Pub Date : 2024-05-30 DOI: 10.1111/1467-8489.12571

John Quiggin

引用次数: 0

Expected direct costs of an oil spill in a UNESCO World Heritage area in New Zealand 新西兰联合国教科文组织世界遗产地区石油泄漏的预期直接成本

IF 2.6 3区经济学

Australian Journal of Agricultural and Resource Economics Pub Date : 2024-05-20 DOI: 10.1111/1467-8489.12569

Alexandra L. Egan, B. Louise Chilvers, Sue Cassells

引用次数: 0

The Bitcoin-agricultural commodities nexus: Fresh insight from COVID-19 and 2022 Russia–Ukraine war 比特币与农产品的关系：从COVID-19和2022年俄乌战争中获得新启示

IF 2.6 3区经济学

Australian Journal of Agricultural and Resource Economics Pub Date : 2024-05-19 DOI: 10.1111/1467-8489.12570

Hongjun Zeng, Abdullahi D. Ahmed, Ran Lu

{"title":"The Bitcoin-agricultural commodities nexus: Fresh insight from COVID-19 and 2022 Russia–Ukraine war","authors":"Hongjun Zeng, Abdullahi D. Ahmed, Ran Lu","doi":"10.1111/1467-8489.12570","DOIUrl":"10.1111/1467-8489.12570","url":null,"abstract":"This paper investigates the volatility connectedness and dynamic time–frequency relationship between Bitcoin (BTC) and 15 major agricultural commodity markets during the COVID-19 and 2022 Russia–Ukraine war periods. We employ the TVP-VAR-based extended joint connectedness method, minimum connectedness investment portfolio, and wavelet coherence (WC) method. The results indicate that the sudden outbreaks of the two crises brought about increased volatility connectedness between BTC and agricultural commodity markets. Throughout the entire sample period, BTC remained a net transmitter of volatility. Moreover, in terms of the total connectedness index (TCI), the overall volatility correlation surged rapidly after the outbreak of COVID-19 and the 2022 Russia–Ukraine war. The portfolio results demonstrated that BTC exhibited a low correlation with the agricultural commodity markets, suggesting diversification potential. Additionally, only Feeder Cattle served as an effective hedging asset for BTC throughout all periods. The WC analysis confirmed that during the COVID-19 period and the 2022 Russia–Ukraine war, most of the linkages were primarily concentrated at medium- to long-term frequencies. Our analysis will contribute to a deeper understanding of the interconnection between these markets, enabling market participants to consider risk mitigation measures and support portfolio diversification when formulating policies and regulations involving relevant markets in the future.","PeriodicalId":55427,"journal":{"name":"Australian Journal of Agricultural and Resource Economics","volume":"68 3","pages":"653-677"},"PeriodicalIF":2.6,"publicationDate":"2024-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/1467-8489.12570","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141124930","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Using artificial intelligence for economic research: An agricultural odyssey 将人工智能用于经济研究：农业奥德赛

IF 2.6 3区经济学

Australian Journal of Agricultural and Resource Economics Pub Date : 2024-05-10 DOI: 10.1111/1467-8489.12567

Andrew Leigh

引用次数: 0

The impact of repayment obligations arising as a by-product of input use on partial inefficiency: Evidence from Western Australian farm businesses 作为投入品使用的副产品而产生的还款义务对部分低效率的影响：来自西澳大利亚农场企业的证据

IF 2.6 3区经济学

Australian Journal of Agricultural and Resource Economics Pub Date : 2024-05-10 DOI: 10.1111/1467-8489.12568

Steele C. West, Amin W. Mugera, Ross S. Kingwell

{"title":"The impact of repayment obligations arising as a by-product of input use on partial inefficiency: Evidence from Western Australian farm businesses","authors":"Steele C. West, Amin W. Mugera, Ross S. Kingwell","doi":"10.1111/1467-8489.12568","DOIUrl":"10.1111/1467-8489.12568","url":null,"abstract":"Farm businesses often use debt to finance the purchase inputs and meet operational costs. Selected studies have investigated the impact of debt use on farm performance as measured using technical efficiency. However, no prior studies in agriculture have considered treating the debt repayment obligation created as a by-product of production when benchmarking farm performance. This study employs nonparametric directional distance function models to quantify the impact of debt repayment as a by-product of input use purchased on credit on farm-level partial inefficiency using a panel data of 54 mixed enterprise broadacre farms in Western Australia from 2002 to 2011. The study finds that omitting repayment obligations created in the production process in analysis results in underestimating partial inefficiency scores. Farm size, production diversification and rainfall zone are significant drivers of partial inefficiency. The implication of the study's findings is that failure to account for repayment obligations created in the production process may result in erroneous policy suggestions that undermine the efforts of farm businesses to minimise or avoid financial stress.","PeriodicalId":55427,"journal":{"name":"Australian Journal of Agricultural and Resource Economics","volume":"68 3","pages":"678-700"},"PeriodicalIF":2.6,"publicationDate":"2024-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/1467-8489.12568","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140990337","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Estimating the productivity of US agriculture: The Fisher total factor productivity index for time series data with unknown prices 估算美国农业的生产率：针对未知价格时间序列数据的费雪全要素生产率指数

IF 2.6 3区经济学

Australian Journal of Agricultural and Resource Economics Pub Date : 2024-05-10 DOI: 10.1111/1467-8489.12565

Thanh Ngo, David Tripe, Duc Khuong Nguyen

引用次数: 0

Why trade matters—How policy shapes who eats what where and how it is produced 贸易为何重要--政策如何决定谁在哪里吃什么以及如何生产

IF 2.6 3区经济学

Australian Journal of Agricultural and Resource Economics Pub Date : 2024-04-25 DOI: 10.1111/1467-8489.12566

Jenny Gordon

引用次数: 0

The impact of ocean warming on selected commercial fisheries in New Zealand 海洋变暖对新西兰部分商业渔业的影响

IF 2.6 3区经济学

Australian Journal of Agricultural and Resource Economics Pub Date : 2024-04-15 DOI: 10.1111/1467-8489.12564

Hanny John Mediodia, Ilan Noy, Viktoria Kahui

{"title":"The impact of ocean warming on selected commercial fisheries in New Zealand","authors":"Hanny John Mediodia, Ilan Noy, Viktoria Kahui","doi":"10.1111/1467-8489.12564","DOIUrl":"10.1111/1467-8489.12564","url":null,"abstract":"Warming oceans affect the growth, reproduction and location of fish species. Using a bioeconomic framework, we estimate the relationship between sea surface temperature (SST) and the catch of de facto open-access commercial fisheries of flatfish, trevally and jack mackerel in New Zealand. Assuming either a logarithmic or quadratic relationship between the SST and the carrying capacity of the fish stock, we consider three fishing methods (bottom trawl, set net and midwater trawl) and two measures of effort (count and duration). We show that ocean warming results in an increase in catch for all species if we assume a logarithmic relationship, with the highest marginal product of SST (<math>\u0000 <semantics>\u0000 <mrow>\u0000 <msub>\u0000 <mi>MP</mi>\u0000 <mi>SST</mi>\u0000 </msub>\u0000 </mrow>\u0000 </semantics></math>) for jack mackerel caught using midwater trawl. The highest marginal revenue product (computed by the MPSST, current price and fished area) is found for flatfish caught by set net. However, when assuming a quadratic relationship, there is a threshold above which catch starts to decrease, with the maximum catch of species ranging between 10 and 12.2°C. These results also vary spatially, with higher values of MPSST observed in areas closer to the South Pole. Our findings are relevant for any review of fisheries management systems in response to ocean warming.","PeriodicalId":55427,"journal":{"name":"Australian Journal of Agricultural and Resource Economics","volume":"68 3","pages":"587-607"},"PeriodicalIF":2.6,"publicationDate":"2024-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/1467-8489.12564","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140701064","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0