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	Provedor de dados AgEcon (8) Colegio de Postgraduados (1) Acta Botanica (1) Ciência Rural (1) RChHN (1) Autor El-Osta, Hisham S. (2) Ambrosio, Luis Alberto (1) Blank, Steven C. (1) DIRZO,RODOLFO (1) Debertin, David L. (1) Desjeux, Yann (1) Erickson, Kenneth W. (1) FAY,JOHN (1) Fasiaben, Maria Do Carmo Ramos (1) Gebremedhin, Tesfa G. (1) Hailu, Yohannes G. (1) Jackson, Randall W. (1) Jiang,Yao (1) Johnson, James D. (1) Kahsai, Mulugeta S. (1) Korb, Penelope J. (1) Latruffe, Laure (1) Le Mouel, Chantal (1) Liang, Chyi-Lyi (Kathleen) (1) MENDOZA,EDUARDO (1) Mais... Palavra-chave Gini coefficient (12) Lorenz curve (5) Community/Rural/Urban Development (3) Agricultural Finance (2) I32 (2) Land Economics/Use (2) R11 (2) ARMS (1) Agricultural and Food Policy (1) Agricultural policies (1) Algorithm "t-walk" (1) Algoritmo "t-walk" (1) Bacia hidrográfica (1) China. (1) Coeficiente de Gini (1) Concentração fundiária (1) Consumer/Household Economics (1) Curva de Especialização (1) Curva de Lorenz (1) Dagum (1) Mais... Tipo do documento Conference Paper or Presentation (6) Info:eu-repo/semantics/article (2) Journal Article (1) Journal article (1) Report (1) Ano 2020 (1) 2012 (1) 2011 (1) 2010 (1) 2009 (2) 2008 (1) 2007 (1) 2005 (1) 2004 (2) 1998 (1) Mais... País United States (8) Brazil (2) Chile (1) Mexico (1) Idioma Inglês (10) Espanhol (1) Português (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 12 Primeira ... 1 ... Última Modelación del ingreso en México con un enfoque bayesiano. Colegio de Postgraduados Montes Rivera, Fredy Yair. En el presente trabajo se proponen tres distribuciones (Pareto, Lognormal y Dagum) para modelar el ingreso de la poblaci ón mexicana, lo anterior se realiz ó desde un enfoque bayesiano dado que en nuestro paí s no existe evidencia alguna de un trabajo con este enfoque. Una vez obtenidos los diferentes par ámetros de manera bayesiana de cada distribuci ón, se opta trabajar con la distribución Dagum ya que esta muestra mejor ajuste a los datos de ingreso en M éxico. Ya seleccionado el modelo se estiman los parámetros (a, b, p) de esta distribución con el uso del algoritmo "t-walk" el cual fue desarrollado por Christen y Fox (2010), esto se realizó para tres diferentes años (1998, 2002 y 2008), lo cual permiti ó realizar una comparaci ón acerca de como se... Palavras-chave: Distribución pareto; Lognormal; Dagum; Algoritmo "t-walk"; Coeficiente de Gini; Curva de Lorenz; Pareto distribution; Gini coefficient; Lorenz curve; Maestría; Estadística; Algorithm "t-walk". Ano: 2012 URL: http://hdl.handle.net/10521/708 Determinants of Youth Poverty: A Zip Code Analysis AgEcon Misra, Kaustav; Debertin, David L.. Estimation of Gini coefficients for various age groups indicates that Kentucky youth population is at risk. The paper determines the factors affecting youth poverty, employing Zip Code data. Analysis of outcomes provides suggestions for the policymakers to limit youth poverty in Kentucky. Tipo: Conference Paper or Presentation Palavras-chave: Youth; Poverty; Zip Code; Gini coefficient; Lorenz curve; Logit model; Food Security and Poverty; I32; I39; R11. Ano: 2007 URL: http://purl.umn.edu/34899 DISPARITIES OF ENTREPRENEURIAL ACTIVITIES AMONG URBAN INDUSTRIES -- AN EXPLORATORY APPROACH AgEcon Liang, Chyi-Lyi (Kathleen). The results of an on-going exploratory study focused on disparities in entrepreneurial activities across 203 Metropolitan Statistical Areas among 18 industries in the US showed that there existed variations in the path of entrepreneurial development among MSAs and different industries. Resource allocation, market, policies, and supportive organizations could lead to these variations. Tipo: Conference Paper or Presentation Palavras-chave: MSA; Entrepreneurship; Urban; Disparity; Gini coefficient; Community/Rural/Urban Development. Ano: 2004 URL: http://purl.umn.edu/20405 Welfare Decomposition in the Context of the Life Cycle of Farm Operators: What Does a National Survey Reveal? AgEcon El-Osta, Hisham S.; Morehart, Mitchell J.. This paper examines the role of the life cycle in impacting the distribution of a combined income and wealth measure using data from the 2001 and 2006 Agricultural Resource Management Survey. Such an assessment is made using both graphical representation of the distribution of the well-being measure along with utilization of the social welfare decomposition procedure. Results show a mild yet statistically insignificant improvement in the distribution of the economic measure over the five-year period. Contribution to social welfare is found highest among the cohort where the age of the head of household is between 45 and 54 years. Targeted programs are found to enhance social welfare if they are aimed towards cohorts where the age of the head of household... Tipo: Journal Article Palavras-chave: ARMS; Economic well-being; Gini coefficient; Lorenz curve; Welfare decomposition; Consumer/Household Economics. Ano: 2009 URL: http://purl.umn.edu/55705 How do agricultural policies influence farmland concentration? The example of France AgEcon Piet, Laurent; Desjeux, Yann; Latruffe, Laure; Le Mouel, Chantal. Over the last decades, the number of farms has decreased while average farm size has increased in industrialised countries. We investigate whether these two concomitant trends have resulted in higher farmland concentration or not in the case of France. Deriving Gini coefficients as a measure of concentration from the estimation of parametric Lorenz curves, we show that this is not systematically the case at the sub-national scale of “départements”. When studying the role of possible explanatory variables for farmland concentration, we find that milk quotas, CAP 2nd pillar subsidies and so-called structural measures (settlements and early retirement grants) have a significant impact. However, the availability and the price of agricultural land appear to be... Tipo: Conference Paper or Presentation Palavras-chave: Farmland concentration; Farm structures; Agricultural policies; Gini coefficient; France; Agricultural and Food Policy; Farm Management; Land Economics/Use. Ano: 2010 URL: http://purl.umn.edu/61349 Is Income Inequality Endogenous in Regional Growth? AgEcon Hailu, Yohannes G.; Kahsai, Mulugeta S.; Gebremedhin, Tesfa G.; Jackson, Randall W.. This study focuses on testing the relationship between income inequality and growth within U.S. counties, and the channels through which such effects are observed. The study tests three hypotheses: (1) income inequality has an inverse relationship with growth; (2) regional growth adjustments are the channels through which the inequality and growth are equilibrated; and (3) income inequality is endogenous to regional growth and its adjustment. Results, based on a system of equations estimation, confirm the hypotheses that income inequality has a growth dampening effect; income inequality is endogenous to regional growth and growth adjustment; and the channels through which income inequality determines growth are regional growth adjustments, such as... Tipo: Conference Paper or Presentation Palavras-chave: Income inequality; Economic growth; Gini coefficient; Growth modeling; Population change; Per capita income; Community/Rural/Urban Development; Public Economics; I32; J15; O18; P25; R11; R23; R25; R51; R53; R58. Ano: 2009 URL: http://purl.umn.edu/46320 Determinants of Financial Performance of Commercial Dairy Farms. AgEcon Johnson, James D.; El-Osta, Hisham S.. Data from the 1993 Farm Costs and Returns Survey were used in a multi-variate analysis framework to determine factors associated with the financial performance of commercial dairy farm operations. Statistical equivalency tests revealed regional differences in the way extensive indebtedness, size of operation, and labor cost affect net farm incomes. Regional differences were also found in terms of how milk production per cow, per-unit cost of purchased feed, and level of adoption of capital intensive technologies affect per-unit returns. Examination of the variation in the net farm income of commercial dairy farms using the method of coefficients of separate determination identified the size of the operation, regardless of the location of the farm business,... Tipo: Report Palavras-chave: Financial performance; Net farm income; Technological adoption; Lorenz curve; Gini coefficient; Agricultural Finance; Livestock Production/Industries. Ano: 1998 URL: http://purl.umn.edu/33561 Distribuição locacional agropecuária e concentração fundiária na Bacia Hidrográfica dos Rios Mogi Guaçu e Pardo AgEcon Ambrosio, Luis Alberto; Fasiaben, Maria Do Carmo Ramos; Romeiro, Ademar Ribeiro. As relações entre a distribuição locacional dos usos da terra e a concentração fundiária, nos municípios da Bacia Hidrográfica dos Rios Mogi Guaçu e Pardo, são analisadas empregando o Quociente Locacional, a Curva de Especialização e o Índice de Gini. Os resultados mostram uma concentração fundiária excessivamente alta: metade dos municípios apresenta grau de concentração médio a forte (Índice de Gini entre 0,501 e 0,700) e metade grau forte a muito forte (Índice de Gini entre 0,701 e 0,900). Rejeitou-se, pelo teste qui-quadrado a 5% de probabilidade, a hipótese nula de independência entre as classes de concentração da posse da terra e os tipos de especialização locacional dos usos da terra, no âmbito municipal. Verificou-se que nos municípios com alto... Tipo: Conference Paper or Presentation Palavras-chave: Bacia hidrográfica; Concentração fundiária; Curva de Especialização; Índice de Gini; Quociente locacional; Watershed; Location quotient; Specialization curve; Gini coefficient; Land concentration; Land Economics/Use. Ano: 2008 URL: http://purl.umn.edu/108919 PROFIT PATTERNS IN THE U.S. AND THE WEST, 1992 AND 1997: WHAT COUNTY-LEVEL DATA REVEAL AgEcon Korb, Penelope J.; Blank, Steven C.; Erickson, Kenneth W.. We examine whether there are spatial relationships in U.S. production agriculture's profitability across regions and over time. We test the traditional view that factor markets (approximately) adjust to equalize agriculture's net returns over space and time using county-level data from the UDSA's Census of Agriculture, 1992 and 1997. We estimate Gini coefficients and calculate the Theil Entropy Measure (TMI) to examine changes in the concentration of returns over space and time, and to decompose the variation in inequality in returns due to between-region variation in returns. Although factor markets (approximately) adjust to equalize net returns over space and time, there is still considerable variability in returns within regions and within states. Use... Tipo: Conference Paper or Presentation Palavras-chave: Gini coefficient; Theil Entropy Measure; Net cash returns; Net cash and net farm income; Farm structure; Agricultural Finance; Community/Rural/Urban Development; Q; Q140. Ano: 2004 URL: http://purl.umn.edu/36253 A quantitative analysis of forest fragmentation in Los Tuxtlas, southeast Mexico: patterns and implications for conservation RChHN MENDOZA,EDUARDO; FAY,JOHN; DIRZO,RODOLFO. Habitat loss is a critical threat to tropical biodiversity and its quantification constitutes a central conservation issue. Typically, assessments have been based on deforestation rates statistics. However, this overlooks the effects brought about by the spatial reconfiguration of the remaining habitat: fragmentation. We present an analysis of fragmentation in a Neotropical site aimed at: (a) devising a protocol for its quantification, (b) using such protocol to provide insights on the ecological consequences of fragmentation, (c) exploring its applicability to address the hypothesis that forest size-inequality decreases with elevation, an indicator of habitat accessibility. We applied the Gini coefficient (G) and the Lorenz curve to analyze fragment-size... Tipo: Journal article Palavras-chave: Edge effect; Fragment shape; Gini coefficient; Lorenz curve; Tropical rain forest. Ano: 2005 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2005000300008 Is size structure a good measure of future trends of plant populations? an empirical approach using five woody species from the Cerrado (Brazilian savanna) Acta Botanica Virillo,Carolina Bernucci; Martins,Fernando Roberto; Tamashiro,Jorge Yoshio; Santos,Flavio Antonio Maës dos. Size distributions in woody plant populations have been used to assess their regeneration status, assuming that size structures with "reverse-J" shapes represent stable populations. We present an empirical approach of this issue using five woody species from the Cerrado. Considering count data for all plants of these five species over a 12-year period, we analyzed size distribution by: a) plotting frequency distributions and their adjustment to the negative exponential curve and b) calculating the Gini coefficient. To look for a relationship between size structure and future trends, we considered the size structures from the first census year. We analyzed changes in number over time and performed a simple population viability analysis, which gives the mean... Tipo: Info:eu-repo/semantics/article Palavras-chave: Gini coefficient; Population dynamics; Reverse-J shape; Population viability analysis. Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062011000300012 Livelihood capitals on income inequality among rural households: evidence from China Ciência Rural Yang,Fan; Jiang,Yao; Zeng,Weizhong. ABSTRACT: We used the data of the China Labor-force Dynamics Survey 2014 to examine the effects of livelihood capitals which include natural, material, human, financial, and social capitals on total household income, per capita income, agricultural income, wage income, operational income, and property income inequality among rural households in China. Results showed that different kinds of livelihood capitals have different effects on different types of rural households’ income. Specifically; (1) although, the area of cultivated land reduces agricultural income inequality, it increases per capita income inequality. (2) Forest land area enlarges per capita income inequality and total household income inequality. (3) Tractor variable reduces inequality in... Tipo: Info:eu-repo/semantics/article Palavras-chave: Human capital; Social capital; Gini coefficient; Poverty alleviation; China.. Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782020000200932 Registros recuperados: 12 Primeira ... 1 ... Última

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