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Application of the estimation of multiple effect size to frontier efficiency meta-regression of agriculture in Ghana 多重效应量估计在加纳农业前沿效率元回归中的应用
IF 1.2
Research in Economics Pub Date : 2025-03-01 Epub Date: 2025-01-11 DOI: 10.1016/j.rie.2025.101026
Justice G. Djokoto , Akua Agyeiwaa-Afrane , Charlotte Badu-Prah , Ferguson K. Gidiglo , Francis Y. Srofenyoh , Kofi Aaron A-O. Agyei-Henaku
{"title":"Application of the estimation of multiple effect size to frontier efficiency meta-regression of agriculture in Ghana","authors":"Justice G. Djokoto ,&nbsp;Akua Agyeiwaa-Afrane ,&nbsp;Charlotte Badu-Prah ,&nbsp;Ferguson K. Gidiglo ,&nbsp;Francis Y. Srofenyoh ,&nbsp;Kofi Aaron A-O. Agyei-Henaku","doi":"10.1016/j.rie.2025.101026","DOIUrl":"10.1016/j.rie.2025.101026","url":null,"abstract":"<div><div>We applied a method of estimating multiple effect sizes to agricultural efficiency data in Ghana. We used multi-efficiency data from 195 publications and 345 observations and fitted it to ordinary least squares regression to illustrate how the model works. The data is unique in the meta-regression efficiency space, containing all efficiency measures. We depart from existing frontier efficiency meta-regression by estimating the combined effect sizes of technical efficiency and other dimensions of frontier efficiency. We extended the single effect size estimation model to a multiple effect size estimation model. The application of the data showed that the strongest differences related to profit efficiency, the meta-regression of which has never been published. The average of the arithmetic means should not be considered as the overall efficiency, rather, the combined effect size in frontier efficiency meta-regression models.</div></div>","PeriodicalId":46094,"journal":{"name":"Research in Economics","volume":"79 1","pages":"Article 101026"},"PeriodicalIF":1.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143103976","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
Globalizing green innovation: Impact on green GDP and pathways to sustainability 全球化绿色创新：对绿色GDP的影响和可持续发展的途径
IF 1.2
Research in Economics Pub Date : 2025-03-01 Epub Date: 2025-01-29 DOI: 10.1016/j.rie.2025.101042
Muhammad Nadir Shabbir , Duong Thuy Linh
{"title":"Globalizing green innovation: Impact on green GDP and pathways to sustainability","authors":"Muhammad Nadir Shabbir ,&nbsp;Duong Thuy Linh","doi":"10.1016/j.rie.2025.101042","DOIUrl":"10.1016/j.rie.2025.101042","url":null,"abstract":"<div><div>From 2009 to 2023, the study investigates in 78 developing nations the link between green innovation, Green GDP, and globalization. It finds using dynamic panel data models that green innovation greatly increases Green GDP while globalization has a beneficial moderating effect by allowing technological transfer and worldwide cooperation. Using econometric methods, an ecologically inclusive metric—green GDP—is examined to handle problems including heteroscedasticity and endogeneity. Emphasizing customized policy measures, the research also finds thresholds in the efficacy of green innovation depending on human development levels. Robustness tests validate the results and underline the need of green innovation in sustainable development as well as the combined effect of globalization. Particularly addressing issues in the framework of developing economies, this study offers insightful analysis for legislators and stakeholders to promote sustainable economic growth by means of innovation and globalization in developing countries.</div></div>","PeriodicalId":46094,"journal":{"name":"Research in Economics","volume":"79 1","pages":"Article 101042"},"PeriodicalIF":1.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143103982","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
Persistent impacts of the COVID-19 pandemic on student outcomes in Italy COVID-19大流行对意大利学生成绩的持续影响
IF 1.2
Research in Economics Pub Date : 2025-02-01 DOI: 10.1016/j.rie.2025.101031
Léonard Moulin , Mara Soncin
{"title":"Persistent impacts of the COVID-19 pandemic on student outcomes in Italy","authors":"Léonard Moulin ,&nbsp;Mara Soncin","doi":"10.1016/j.rie.2025.101031","DOIUrl":"10.1016/j.rie.2025.101031","url":null,"abstract":"<div><div>The learning loss caused by the COVID-19 pandemic on students’ outcomes is likely to have lasting effects on which evidence is lacking. Using a difference-in-differences design through a triple difference estimator, we identify the evolution of the COVID-19 pandemic’s impact on Italian students’ test scores in the two years following the COVID-19 outbreak. Our findings indicate a persistently negative effect on mathematics and reading scores for grade 5 and grade 8 students in 2021–22, two years after the pandemic began. The magnitude compared the cohort that attended the same grades the year before (2020-21) varies by subject and grade. Our analysis highlights the pandemic’s heterogeneous impact, especially in terms of geographical differences that have been exacerbated by the emergency.</div></div>","PeriodicalId":46094,"journal":{"name":"Research in Economics","volume":"79 2","pages":"Article 101031"},"PeriodicalIF":1.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143096549","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: 0
Private ownership in monopolistic competition models 垄断竞争模式中的私有制
IF 1.2
Research in Economics Pub Date : 2024-12-01 Epub Date: 2024-09-11 DOI: 10.1016/j.rie.2024.101003
Vincent Boitier
{"title":"Private ownership in monopolistic competition models","authors":"Vincent Boitier","doi":"10.1016/j.rie.2024.101003","DOIUrl":"10.1016/j.rie.2024.101003","url":null,"abstract":"<div><p>Motivated by empirical evidence, I study the properties of a monopolistic competition model with private ownership. Toward that goal, I consider a monopolistic competition model with additive preferences, homogeneous workers and homogeneous firms. I then introduce in such a standard framework a single additional ingredient: private ownership. Private ownership means that each firm is owned and managed by a single household called the entrepreneur, and this entrepreneur receives profits as sole revenues. In turn, private ownership changes the nature of entry. Free entry in the industry is no longer satisfied. Rather, the number of firms is now determined through occupational choice. Armed with this new framework, I provide a full characterization of a market equilibrium, and compare it to the standard model with collective ownership and free entry. Notably, I find new results concerning optimality, the transmission of aggregate shocks and the ability of the new model to replicate well-established empirical facts.</p></div>","PeriodicalId":46094,"journal":{"name":"Research in Economics","volume":"78 4","pages":"Article 101003"},"PeriodicalIF":1.2,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142167930","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
Consumption and the permanent income of households 家庭消费和永久收入
IF 1.2
Research in Economics Pub Date : 2024-12-01 Epub Date: 2024-10-09 DOI: 10.1016/j.rie.2024.101011
Roni Frish
{"title":"Consumption and the permanent income of households","authors":"Roni Frish","doi":"10.1016/j.rie.2024.101011","DOIUrl":"10.1016/j.rie.2024.101011","url":null,"abstract":"<div><div>This study examines household consumption using data from the Israeli Consumer Expenditure (CE) Surveys and longitudinal administrative income records for 2004–16. The key findings challenge the Permanent Income Hypothesis (PIH) and the Life-Cycle Hypothesis (LCH): The propensity to consume out of income received after the CE survey is half that of income received before the survey. Households with higher income growth showed higher consumption growth. Households tend to consume a significant portion of transitory income straightaway. Finally, households without a pension plan show a marked decrease in consumption upon crossing the retirement age.</div></div>","PeriodicalId":46094,"journal":{"name":"Research in Economics","volume":"78 4","pages":"Article 101011"},"PeriodicalIF":1.2,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142433261","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
Shareholder voting and efficient corporate decision-making 股东投票和高效的公司决策
IF 1.2
Research in Economics Pub Date : 2024-12-01 Epub Date: 2024-10-09 DOI: 10.1016/j.rie.2024.101010
Kyounghun Lee, Frederick Dongchuhl Oh
{"title":"Shareholder voting and efficient corporate decision-making","authors":"Kyounghun Lee,&nbsp;Frederick Dongchuhl Oh","doi":"10.1016/j.rie.2024.101010","DOIUrl":"10.1016/j.rie.2024.101010","url":null,"abstract":"<div><div>This study assesses the effects of shareholder voting on a firm’s decision-making by considering two voting methods: majority voting (MV) and quadratic voting (QV). Under MV, shareholders obtain voting rights in proportion to their shares, while under QV, they pay costs to buy voting rights. Our model demonstrates that under both MV and QV, the firm’s decision is efficient if shareholders collectively make the voting decisions. Moreover, shareholders can benefit from share trades resulting in the firm’s efficient decision.</div></div>","PeriodicalId":46094,"journal":{"name":"Research in Economics","volume":"78 4","pages":"Article 101010"},"PeriodicalIF":1.2,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142433262","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
Foreign aid and inequality: Do conflicts matter? 外国援助与不平等：冲突重要吗？
IF 1.2
Research in Economics Pub Date : 2024-12-01 Epub Date: 2024-10-11 DOI: 10.1016/j.rie.2024.101008
Martin Ambassa , Itchoko Motande Mondjeli Mwa Ndjokou , Pierre Christian Tsopmo
{"title":"Foreign aid and inequality: Do conflicts matter?","authors":"Martin Ambassa ,&nbsp;Itchoko Motande Mondjeli Mwa Ndjokou ,&nbsp;Pierre Christian Tsopmo","doi":"10.1016/j.rie.2024.101008","DOIUrl":"10.1016/j.rie.2024.101008","url":null,"abstract":"<div><div>Existing literature on the relationship between foreign aid and income inequality (inequality) is inconclusive and the role of conflict has been underexplored. Yet, the frequency and severity of conflicts in Sub-Saharan Africa (SSA) have increased sharply in recent years. This study investigates the impact of foreign aid on inequality in SSA, focusing on the moderating role of conflicts. Using a sample of 41 SSA countries from 1989 to 2022, we employ fixed-effects and System GMM to explore the complex interplay between foreign aid, conflicts and inequality. The results suggest that foreign aid reduces inequality, but that its effectiveness is considerably reduced in conflict-ridden countries. The results confirm the harmful effect of conflict in the foreign aid-inequality nexus in SSA. Results are robust to many robustness checks, such as the alternative strategy, which combines alternative inequality and conflict measures. Our results suggest that promoting good governance by fighting corruption and preventing conflict can enable foreign aid to significantly reduce inequality in SSA.</div></div>","PeriodicalId":46094,"journal":{"name":"Research in Economics","volume":"78 4","pages":"Article 101008"},"PeriodicalIF":1.2,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142535468","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
Revisiting the economic growth on Latin American and Caribbean Countries: The role of trade and democracy 重新审视拉丁美洲和加勒比国家的经济增长：贸易和民主的作用
IF 1.2
Research in Economics Pub Date : 2024-12-01 Epub Date: 2024-07-06 DOI: 10.1016/j.rie.2024.100985
Vitor Bernard de Souza Santos , Mauricio Vaz Lobo Bittencourt
{"title":"Revisiting the economic growth on Latin American and Caribbean Countries: The role of trade and democracy","authors":"Vitor Bernard de Souza Santos ,&nbsp;Mauricio Vaz Lobo Bittencourt","doi":"10.1016/j.rie.2024.100985","DOIUrl":"https://doi.org/10.1016/j.rie.2024.100985","url":null,"abstract":"<div><p>Latin American and Caribbean countries have had a singular path of growth throughout their history. This paper aimed to analyze the economic growth in Latin America and the Caribbean (LAC) countries, setting the focus on the politics and trade outcomes. Working with a dynamic panel of biannual growth from 1981 to 2018 for nineteen countries, we apply the System Generalized Method of Moments (SYS-GMM), allowing to some covariates to be endogenous to the growth process. We do not observe income convergence in LAC countries, as well as any effect of being a democracy on growth. We found a positive and significant effect of trade measures on growth. We perform a series of alternative specifications and our main results do not change.</p></div>","PeriodicalId":46094,"journal":{"name":"Research in Economics","volume":"78 4","pages":"Article 100985"},"PeriodicalIF":1.2,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141607307","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
Examining the New Keynesian Phillips Curve in the U.S.: Why has the relationship between inflation and unemployment weakened? 研究美国的新凯恩斯主义菲利普斯曲线：通胀与失业之间的关系为何减弱？
IF 1.2
Research in Economics Pub Date : 2024-12-01 Epub Date: 2024-08-20 DOI: 10.1016/j.rie.2024.100987
Rouven E. Haschka
{"title":"Examining the New Keynesian Phillips Curve in the U.S.: Why has the relationship between inflation and unemployment weakened?","authors":"Rouven E. Haschka","doi":"10.1016/j.rie.2024.100987","DOIUrl":"10.1016/j.rie.2024.100987","url":null,"abstract":"<div><p>This paper conducts a comprehensive review of the relationship between inflation and unemployment in the U.S. as described by the Phillips curve in a New Keynesian framework and investigates whether this relationship has changed systematically over time. We also aim to identify possible explanations for these changes. Three different hypotheses are discussed to assess whether they are consistent with more recent developments, such as the evolution of inflation expectations, the impact of globalization, and possible nonlinearities in the functional shape of the Phillips curve. We find that the relationship between inflation and unemployment has weakened since the 1980s and especially during the Covid-19 pandemic due to forces of globalization and better anchored inflation expectations resulting from more credible monetary policy. This has led to question of whether the Phillips curve is outdated. We conclude with the implications of these findings for the conduct of monetary policy.</p></div>","PeriodicalId":46094,"journal":{"name":"Research in Economics","volume":"78 4","pages":"Article 100987"},"PeriodicalIF":1.2,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1090944324000516/pdfft?md5=379ad262b8afc3e0f2b94970f1ddd50d&pid=1-s2.0-S1090944324000516-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142044313","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: 0
An inquiry into the causes of income differences among high-income countries 探究高收入国家之间收入差异的原因
IF 1.2
Research in Economics Pub Date : 2024-12-01 Epub Date: 2024-10-10 DOI: 10.1016/j.rie.2024.101006
Jayadevan CM, Nam Trung Hoang, Subba Reddy Yarram
{"title":"An inquiry into the causes of income differences among high-income countries","authors":"Jayadevan CM,&nbsp;Nam Trung Hoang,&nbsp;Subba Reddy Yarram","doi":"10.1016/j.rie.2024.101006","DOIUrl":"10.1016/j.rie.2024.101006","url":null,"abstract":"<div><div>Within high-income countries, there is a notable income inequality spectrum, with certain nations positioned close to a predefined economic threshold, while others within this cohort simultaneously embark on substantial economic growth<strong>.</strong> This study investigates the influence of critical factors on economic growth and the transition from lower-high and middle-high income to upper-high income. Between 1990 and 2019, 25 of the 28 nations successfully advanced to upper-high income levels. Several key factors contribute to overcoming the barriers associated with lower-high income or middle-high income to upper-high income status. These factors include labor force participation, labor productivity, life expectancy, high-tech exports, reduction in unemployment rates, age dependency ratio, and poverty. The regression discontinuity analysis reveals a positive impact on the experimental group, as economic globalization surpasses the threshold of 78 % facilitating the achievement of upper-high income status.</div></div>","PeriodicalId":46094,"journal":{"name":"Research in Economics","volume":"78 4","pages":"Article 101006"},"PeriodicalIF":1.2,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142535467","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
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