Letters in Spatial and Resource Sciences最新文献

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The distribution of urban population and economic activity in the European Union and the United States 欧洲联盟和美国的城市人口分布和经济活动
IF 1.8
Letters in Spatial and Resource Sciences Pub Date : 2021-04-24 DOI: 10.1007/s12076-022-00309-5
Miguel Puente-Ajovín, Marcos Sanso-Navarro, María Vera-Cabello
{"title":"The distribution of urban population and economic activity in the European Union and the United States","authors":"Miguel Puente-Ajovín, Marcos Sanso-Navarro, María Vera-Cabello","doi":"10.1007/s12076-022-00309-5","DOIUrl":"https://doi.org/10.1007/s12076-022-00309-5","url":null,"abstract":"","PeriodicalId":44710,"journal":{"name":"Letters in Spatial and Resource Sciences","volume":"15 1","pages":"517 - 522"},"PeriodicalIF":1.8,"publicationDate":"2021-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42110619","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Using boosting for forecasting electric energy consumption during a recession: a case study for the Brazilian State Rio Grande do Sul 在经济衰退期间使用促进预测电力消耗:巴西南大州的案例研究
IF 1.8
Letters in Spatial and Resource Sciences Pub Date : 2021-03-25 DOI: 10.1007/s12076-021-00268-3
Guilherme Lindenmeyer, Pedro Pablo Skorin, H. Torrent
{"title":"Using boosting for forecasting electric energy consumption during a recession: a case study for the Brazilian State Rio Grande do Sul","authors":"Guilherme Lindenmeyer, Pedro Pablo Skorin, H. Torrent","doi":"10.1007/s12076-021-00268-3","DOIUrl":"https://doi.org/10.1007/s12076-021-00268-3","url":null,"abstract":"","PeriodicalId":44710,"journal":{"name":"Letters in Spatial and Resource Sciences","volume":"14 1","pages":"111 - 128"},"PeriodicalIF":1.8,"publicationDate":"2021-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/s12076-021-00268-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44113316","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Analysis of technical efficiency of irrigated tomato production in North Gondar Zone of Amhara Regional State, Ethiopia 埃塞俄比亚阿姆哈拉州贡达尔北部地区灌溉番茄生产技术效率分析
IF 1.8
Letters in Spatial and Resource Sciences Pub Date : 2021-01-21 DOI: 10.1007/s12076-022-00314-8
Tigabu Dagnew Koye, A. D. Koye, Taye Melese Mekie
{"title":"Analysis of technical efficiency of irrigated tomato production in North Gondar Zone of Amhara Regional State, Ethiopia","authors":"Tigabu Dagnew Koye, A. D. Koye, Taye Melese Mekie","doi":"10.1007/s12076-022-00314-8","DOIUrl":"https://doi.org/10.1007/s12076-022-00314-8","url":null,"abstract":"","PeriodicalId":44710,"journal":{"name":"Letters in Spatial and Resource Sciences","volume":"15 1","pages":"599 - 620"},"PeriodicalIF":1.8,"publicationDate":"2021-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46494836","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Urbanization, coal consumption and CO2 emissions nexus in China using bootstrap Fourier Granger causality test in quantiles 中国城市化、煤炭消费和二氧化碳排放关系的自举傅立叶-格兰杰分位数因果检验
IF 1.8
Letters in Spatial and Resource Sciences Pub Date : 2021-01-03 DOI: 10.1007/s12076-020-00263-0
Kai Cheng, H. Hsueh, O. Ranjbar, Mei-Chih Wang, T. Chang
{"title":"Urbanization, coal consumption and CO2 emissions nexus in China using bootstrap Fourier Granger causality test in quantiles","authors":"Kai Cheng, H. Hsueh, O. Ranjbar, Mei-Chih Wang, T. Chang","doi":"10.1007/s12076-020-00263-0","DOIUrl":"https://doi.org/10.1007/s12076-020-00263-0","url":null,"abstract":"","PeriodicalId":44710,"journal":{"name":"Letters in Spatial and Resource Sciences","volume":"14 1","pages":"31 - 49"},"PeriodicalIF":1.8,"publicationDate":"2021-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/s12076-020-00263-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47025449","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 33
Spatial transmission of the economic impacts of COVID-19 through international trade. 2019冠状病毒病经济影响通过国际贸易的空间传播。
IF 1.8
Letters in Spatial and Resource Sciences Pub Date : 2021-01-01 Epub Date: 2021-08-09 DOI: 10.1007/s12076-021-00271-8
Adam Rose, Terrie Walmsley, Dan Wei
{"title":"Spatial transmission of the economic impacts of COVID-19 through international trade.","authors":"Adam Rose,&nbsp;Terrie Walmsley,&nbsp;Dan Wei","doi":"10.1007/s12076-021-00271-8","DOIUrl":"https://doi.org/10.1007/s12076-021-00271-8","url":null,"abstract":"<p><p>While most of the attention to COVID-19 is being focused on the physical transmission of the virus across country borders, there is also an analogous spatial transmission of economic impacts through international trade and global supply chains. This paper presents an analysis of the extent to which the economic shocks of mandatory closures to mitigate the pandemic ripple through the world economy. We utilize a state-of-the-art computable general equilibrium (CGE) model to analyze these interconnections through international trade. We compare estimates of the impacts on US GDP in isolation and then examine the impacts taking into account US trade with China and the rest of the world (ROW). Our analysis indicates that these international trade linkage impacts are generally negative and range from near zero to very large overall, depending on the region, and that own- and cross-country impacts differ by region as well. At the same time, we find that China is able to capitalize on the situation by actually being able to increase its exports through international trade following mandatory closures in other regions. We also confirm that the US economy was relatively insulated from trade linkages with the rest of the world. Sectoral impacts provide further insight into the results.</p>","PeriodicalId":44710,"journal":{"name":"Letters in Spatial and Resource Sciences","volume":"14 2","pages":"169-196"},"PeriodicalIF":1.8,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/s12076-021-00271-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39315139","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
Lockdown measures and air quality: evidence from Italian provinces. 封锁措施和空气质量:来自意大利各省的证据。
IF 1.8
Letters in Spatial and Resource Sciences Pub Date : 2021-01-01 Epub Date: 2021-02-21 DOI: 10.1007/s12076-021-00267-4
Maurizio Malpede, Marco Percoco
{"title":"Lockdown measures and air quality: evidence from Italian provinces.","authors":"Maurizio Malpede,&nbsp;Marco Percoco","doi":"10.1007/s12076-021-00267-4","DOIUrl":"https://doi.org/10.1007/s12076-021-00267-4","url":null,"abstract":"<p><p>The aim of this short communication is to estimate the effects of the implementation of more restrictive lockdown measures on pollution levels in Italy. Using a time series of weekly concentrations of PM<sub>10</sub>, PM<sub>2.5</sub> and NO<sub>2</sub> for the period 2016-2020 across 71 provinces, we find that the introduction of lockdown measures reduced the air concentration levels of PM<sub>10</sub> and NO<sub>2</sub> by 17-18%, while their effect on PM<sub>2.5</sub> remains unclear. These results indicate that the lockdown had a significant positive impact in terms of lives saved and improved air quality.</p>","PeriodicalId":44710,"journal":{"name":"Letters in Spatial and Resource Sciences","volume":"14 2","pages":"101-110"},"PeriodicalIF":1.8,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/s12076-021-00267-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25520865","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
Analysis of maize commercialization among smallholder farmers: empirical evidence from North Western Ethiopia 埃塞俄比亚西北部小农户玉米商业化分析
IF 1.8
Letters in Spatial and Resource Sciences Pub Date : 2020-11-13 DOI: 10.21203/rs.3.rs-104814/v1
Agerie Nega Wassihun, Fikeremaryam Birara Feleke, Tadie Mirie Abate, Gebrehiwot Abebe Bayeh
{"title":"Analysis of maize commercialization among smallholder farmers: empirical evidence from North Western Ethiopia","authors":"Agerie Nega Wassihun, Fikeremaryam Birara Feleke, Tadie Mirie Abate, Gebrehiwot Abebe Bayeh","doi":"10.21203/rs.3.rs-104814/v1","DOIUrl":"https://doi.org/10.21203/rs.3.rs-104814/v1","url":null,"abstract":"Commercialization in smallholder farming is very important for low income countries since it has a potential to enhance incomes and play a key role in reducing rural poverty. Even though few studies are conducted about agricultural commercialization in Ethiopia, so far there is no study conducted on maize commercialization among smallholder farmers. Therefore, the aim of this study was to analyze the factors that determine market participation and degree of commercialization among smallholder maize producers in North Western Ethiopia. The study was carried out from October 2019 to December 2020. Data were collected from 385 smallholder maize producers using systematic random sampling. Interview schedule, focus group discussion and key informant interview were used to collect the required data. Tobit model was employed to analyse both market participation and intensity of commercialization. From the analysis commercialization was significantly influenced by education level, livestock holding, frequency of extension contact, training, off/non-farm income activity, quantity of maize and lagged price. Based on the findings, smallholder maize producers should be supported regularly by extension agents in order to increase their practical skills which results enhancement of their market participation and intensity of commercialization.","PeriodicalId":44710,"journal":{"name":"Letters in Spatial and Resource Sciences","volume":"15 1","pages":"113-127"},"PeriodicalIF":1.8,"publicationDate":"2020-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49070017","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Related variety and productivity in the environmental industry: establishment-level evidence from South Korea 环境产业的相关品种和生产力:来自韩国的建制层面的证据
IF 1.8
Letters in Spatial and Resource Sciences Pub Date : 2020-11-10 DOI: 10.1007/s12076-020-00259-w
Taelim Choi, Jeong-Il Park
{"title":"Related variety and productivity in the environmental industry: establishment-level evidence from South Korea","authors":"Taelim Choi, Jeong-Il Park","doi":"10.1007/s12076-020-00259-w","DOIUrl":"https://doi.org/10.1007/s12076-020-00259-w","url":null,"abstract":"","PeriodicalId":44710,"journal":{"name":"Letters in Spatial and Resource Sciences","volume":"13 1","pages":"287 - 295"},"PeriodicalIF":1.8,"publicationDate":"2020-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/s12076-020-00259-w","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42675469","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Is China’s regional inequality ethnic inequality? 中国的地区不平等是民族不平等吗?
IF 1.8
Letters in Spatial and Resource Sciences Pub Date : 2020-11-09 DOI: 10.1007/s12076-020-00260-3
P. Minard
{"title":"Is China’s regional inequality ethnic inequality?","authors":"P. Minard","doi":"10.1007/s12076-020-00260-3","DOIUrl":"https://doi.org/10.1007/s12076-020-00260-3","url":null,"abstract":"","PeriodicalId":44710,"journal":{"name":"Letters in Spatial and Resource Sciences","volume":"13 1","pages":"297 - 314"},"PeriodicalIF":1.8,"publicationDate":"2020-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/s12076-020-00260-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42827004","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Performance estimation of photovoltaic energy production 光伏发电性能评估
IF 1.8
Letters in Spatial and Resource Sciences Pub Date : 2020-10-31 DOI: 10.1007/s12076-020-00258-x
Laura Casula, G. D’Amico, G. Masala, F. Petroni
{"title":"Performance estimation of photovoltaic energy production","authors":"Laura Casula, G. D’Amico, G. Masala, F. Petroni","doi":"10.1007/s12076-020-00258-x","DOIUrl":"https://doi.org/10.1007/s12076-020-00258-x","url":null,"abstract":"","PeriodicalId":44710,"journal":{"name":"Letters in Spatial and Resource Sciences","volume":"50 2","pages":"267 - 285"},"PeriodicalIF":1.8,"publicationDate":"2020-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/s12076-020-00258-x","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41303834","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
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