Rush to the border? Market liberalization and urban- and rural-origin internal migration in Mexico

In this study we examine the social and economic factors driving internal migration flows in Mexico. We pay particular attention to the effect that economic liberalization has had in encouraging migration to border cities. Our analysis of the origin and destination of migrants is carried out at a finer level of geographical detail than ever before. Microdata files from the 2000 population census allow us to distinguish urban- and rural-origin migrants to the largest 115 cities and metropolitan areas in the country. Our results indicate that economic liberalization, measured by the level of foreign investment and employment in the maquiladora export industry, strongly influences migrants’ choice of destinations. However, economic liberalization fails to fully account for the attraction of the border, as do the higher emigration rates to the United States from border cities. Our analysis also reveals that migrants to the border region and to cities with high levels of foreign investment are younger, less educated and more likely to be men than migrants to other parts of Mexico. Rural migrants are significantly more likely to move to the border and to cities with high levels of foreign investment than urban migrants. The results of our study have important implication for other countries opening their economies to foreign investment and international trade.     

Exploring the spatial wage penalty for women: Does it matter where you live?

Inequality between men and women has decreased over the past four decades in the US, but wage inequality among groups of women has increased. As metropolitan women’s earnings grew by 25% over the past four decades, nonmetropolitan women’s earnings only grew by 15%. In the current study we draw on data from the Current Population Survey to analyze the spatial wage gap among women. We explore differences in the spatial wage gap by education, occupation, and industry. Regression models that control for marriage, motherhood, race, education, region, age, and work hours indicate that metropolitan women earn 17% more per hour than nonmetropolitan women. Nonmetropolitan women earn less than metropolitan women who live in central cities and outside central cities. The gap in metropolitan-nonmetropolitan wages is higher for more educated women than for less educated women. The wage gap is only 5% for women without a high school degree, but it is 15% for women with a college degree and 26% for women with an advanced degree. Nonmetropolitan college graduates are overrepresented in lower-paying occupations and industries. Metropolitan college graduates, however, are overrepresented in higher-paying occupations and industries, such as professional services and finance.     

Developing spatial inequalities in carbon appropriation: A sociological analysis of changing local emissions across the United States

This study examines an overlooked dynamic in sociological research on greenhouse gas emissions: how local areas appropriate the global carbon cycle for use and exchange purposes as they develop. Drawing on theories of place and space, we hypothesize that development differentially drives and spatially decouples use- and exchange-oriented emissions at the local level. To test our hypotheses, we integrate longitudinal, county-level data on residential and industrial emissions from the Vulcan Project with demographic, economic and environmental data from the U.S. Census Bureau and National Land Change Database. Results from spatial regression models with two-way fixed-effects indicate that alongside innovations and efficiencies capable of reducing environmentally harmful effects of development comes a spatial disarticulation between carbon-intensive production and consumption within as well as across societies. Implications for existing theory, methods and policy are discussed.     

Decoupling reconsidered: Does world society integration influence the relationship between the environment and economic development?

This study advances scholarship on environment and development by examining whether nations more embedded in the pro-environmental world society are more or less likely to experience a relative decoupling between economic development and carbon emissions over time. The authors calculate a network centrality measure using national-level membership data on environmental international nongovernmental organizations (INGOs), and then employ the measure to create four subsamples of nations that are relatively more or less integrated in the environmental world society. The authors use interactions between measures of economic development and time in two-way fixed effects models to estimate the potentially changing effects of development on carbon emissions for the four subsamples of nations from 1970 to 2009. Results indicate that nations that are the most embedded in the environmental world society experienced a moderate decrease through time in the effect of development on carbon emissions, while the effect of development on emissions increased through time in the most peripheral nations.     

The environmental efficiency of well-being: A cross-national analysis

Recent research has conceptualized sustainability as the environmental efficiency of well-being (EWEB). This concept takes into account the benefits societies are able to produce from their demands on the environment. Research along these lines indicates that countries vary widely in the efficiency with which they transform the Earth’s resources into well-being. Here, we take up this finding as a puzzle to be explained. We construct a new measure of EWEB using the ecological footprint per capita (a measure of environmental consumption) and average life satisfaction (a measure of subjective well-being). We draw hypotheses from political economy, modernization, and sustainable consumption theories in the environmental social sciences. Using full information maximum likelihood estimation, we test the effects of climate, political, economic, and social factors on EWEB with a sample of 105 countries. Key findings include a negative quadratic effect of economic development on EWEB, a negative effect of income inequality, and a positive effect of social capital.     

Women’s status and carbon dioxide emissions: A quantitative cross-national analysis

Global climate change is one of the most severe problems facing societies around the world. Very few assessments of the social forces that influence greenhouse gas emissions have examined gender inequality. Empirical research suggests that women are more likely than men to support environmental protection. Various strands of feminist theory suggest that this is due to women’s traditional roles as caregivers, subsistence food producers, water and fuelwood collectors, and reproducers of human life. Other theorists argue that women’s status and environmental protection are linked because the exploitation of women and the exploitation of nature are interconnected processes. For these theoretical and empirical reasons, we hypothesize that in societies with greater gender equality there will be relatively lower impacts on the environment, controlling for other factors. We test this hypothesis using quantitative analysis of cross-national data, focusing on the connection between women’s political status and CO₂ emissions per capita. We find that CO₂ emissions per capita are lower in nations where women have higher political status, controlling for GDP per capita, urbanization, industrialization, militarization, world-system position, foreign direct investment, the age dependency ratio, and level of democracy. This finding suggests that efforts to improve gender equality around the world may work synergistically with efforts to curtail global climate change and environmental degradation more generally.     

战略环评与都市圈建设

都市圈的建设越是火热,越需要冷静的思考。目前都市圈建设面临的重要问题是环境保护,战略环评的缺位造成的损失难以在短时间内克服,只进行建设项目的环境影响评价是不够的,需要正确认识并切实推行战略环评。     

Using latent class analysis to produce a typology of environmental concern in the UK

Factor analysis is often used to study environmental concern. This choice of methodology is driven by predominant theories that tie environmental attitudes to the multidimensional construct of environmental concern. This paper demonstrates that using a clustering method such as latent class analysis can be a valuable tool for studying environmental attitudes as they exist within a given population. In making the case for the value of latent class analysis in this context, we examine UK public concern for the environment and how this concern is associated with pro-environmental behaviours. To do this we use responses to DEFRA's 2009 Survey of Public Attitudes and Behaviours towards the Environment, which is still the most nationally representative survey of its type in the UK. Grouping respondents according to homogenous response patterns, we identify four classes of people, defined by their concern for the environment: Pro-environment, Neutral Majority, Disengaged and Paradoxical. To understand how these attitude classes are associated with behaviour and socio-economic status, class membership probability is regressed onto education, income and social grade, as well as 16 measures of environmental behaviour related to transport, food, recycling and home energy conservation. The results contradict most previous research with the environmental attitude classes by being highly predictive of environmental behaviour.     

文化都市的历史源流与当代阐释

"文化都市"是都市文化学的一个新范畴。与传统的政治型、经济型城市不同,文化都市是以文化资源为主要生产对象、以文化产业为先进生产力代表、以高文化含量的现代服务业为文明标志的新城市形态。它最突出的特征是城市的文化形态与精神功能成为推动城市发展的主要力量与核心机制。"文化"与"都市"在历史上一直密不可分。一方面,大城市聚集的人口与财富直接刺激了城市文化功能的发展;另一方面,高度发达的文化功能又不断地扩展到城市生活的政治、经济与社会各方面,使原本主要倾向于实用目的的古代城市在城市结构、功能上发生变化,由此形成文化都市的古典形态与模式。都市化进程极大地改变了当代都市的形态、结构、功能与性质,使城市文化功能成为衡量城市发展水平、创新能力、综合竞争力与社会和谐的基本尺度。以城市文化功能高度发达为基础和特征的文化都市日益成为城市发展的新理念与核心战略框架。     

农民工城市融合的结构和状况的实证研究

农民工城市融合问题广受关注,但是作为研究这类问题的一个重要基础,即如何测量农民工城市融合则少有学者研究.本文在回顾农民工城市融合测量方法的基础上,设计了农民工城市融合问卷,并以在南京务工的农民工为样本,就其城市融合的结构和状况进行了研究.统计分析表明,农民工城市融合包含四个维度,本文将其分别命名为经济融合、心理融合、文化融合和身份融合;农民工城市融合程度总体较低,其中,经济融合和文化融合程度很低,而心理融合和身份融合程度相对较高.     

Foreclosures and crime: A city-level analysis in Southern California of a dynamic process

Although a growing body of research has examined and found a positive relationship between neighborhood crime and home foreclosures, some research suggests this relationship may not hold in all cities. This study uses city-level data to assess the relationship between foreclosures and crime by estimating longitudinal models with lags for monthly foreclosure and crime data in 128 cities from 1996 to 2011 in Southern California. We test whether these effects are stronger in cities with a combination of high economic inequality and high economic segregation; and whether they are stronger in cities with high racial/ethnic heterogeneity and high racial segregation. One month, and cumulative three month, six month, and 12-month lags of foreclosures are found to increase city level crime for all crimes except motor vehicle theft. The effect of foreclosures on these crime types is stronger in cities with simultaneously high levels of inequality but low levels of economic segregation. The effect of foreclosures on aggravated assault, robbery, and burglary is stronger in cities with simultaneously high levels of racial heterogeneity and low levels of racial segregation. On the other hand, foreclosures had a stronger effect on larceny and motor vehicle theft when they occurred in a city with simultaneously high levels of racial heterogeneity and high levels of racial segregation. There is evidence that the foreclosure crisis had large scale impacts on cities, leading to higher crime rates in cities hit harder by foreclosures. Nonetheless, the economic and racial characteristics of the city altered this effect.     

Displacement in new economy labor markets: Post-displacement wage loss in high tech versus low tech cities

While scholars and politicians tout education as the salve to employment disruptions, we argue that the geography of the new economy, and the social closure mechanisms that geography creates, may be just as important as individuals’ characteristics for predicting post-displacement wage loss (or gain). We use data from the 2012 Displaced Workers ement of the Current Population Survey and from the 2010 United States Census to test hypotheses linking local labor markets in different industrial contexts to post-displacement wage loss. Our results point to age as a closure mechanism, and to the partially protective effect of education in high-tech versus low-tech economic sectors. This study is the first to use national level data to examine how employment in high-tech cities influences post-displacement wages. These findings are relevant both for theorizing about the new economy and for public policy.     

“双碳”目标下农业生态效率测度及影响因素分析

农业生态效率是农业经济和生态环保协调发展的重要体现。文章首先引入农业碳汇效应,构建农业生态效率测度指标体系;其次,基于2010—2019年中国31个省市面板数据,运用熵权法改进的超效率SBM测算各地区农业生态效率;然后运用面板Tobit模型探究农业生态效率影响因素。结果发现：2010—2019年中国农业生态效率总体呈现平稳上升态势,空间上呈现东北地区最高、东部次之、西部较低、中部最低的分布格局;财政支农程度、工业化程度、农业自然环境、农业机械密度对农业生态效率产生负向影响;农业环境规制、科技支持力度、农业资源禀赋、农业人力资本和农业生产能力对农业生态效率产生正向影响。最后,提出合理投入农业要素资源;促进农业生产增长;加大农业科技研发和推广力度;提高农业劳动力素质等建议。     

广东城市化战略原则与路径探析

广东实施城市化战略应遵循如下原则 :市场效益机制调节原则 ;可持续发展原则 ;以人为本原则 ;文化内核原则。广东具备建立都市连绵区的优越条件 ,发展中等城市也有一定的基础。因此 ,建立都市连绵区与发展中等城市并举是实现广东城市化战略的可行途径。     

Comparative power structures in American communities

This is an argument for the plausibility of comparative network analyses of power in American cities. In terms of structural analyses of community power and decision-making, traditional methods of obtaining network data have fostered and enervating gap between the substantive richness of case studies and the generalizability of comparative studies. The purpose here is to describe a practical method of gathering ersatz network data from interviews with a small number of strategically chosen informants so as to conduct comparative network analyses of community power. The ersatz network element z_ij is the extent to which two types of actors I and J are perceived by informants as having simultaneous control over community issues. Using data from interviews with informants in 51 American cities, the ersatz network data are shown to be efficient, reliable and substantively valid despite their low cost. The data are efficient in the sense that the proportion of sampling variance in an estimated network element declines exponentially with increase in the element's magnitude. The data are reliable in the sense that estimated structures are stable over issue and informant bias per se. The data are valid in the sense that they are consistent with previous community research; types of ersatz power structures are located in the 51 cities (a machine structure, an urban structure, a faction structure, and a class of reform government structures) and these types occur in cities with characteristics known to be associated with each type of power structure. I conclude with a summary and comments regarding future research; the selection of informants and the use of a computer program in which easily available characteristics of a community are the basis for predicting the type of power structure it most likely exhibited during the late 1960s.     

天津市建设低碳型城市的思考与建议

城市作为人类经济、社会活动的集中地,是低碳发展理念的实践主体。天津市是一座人口密集、一次能源资源稀缺、环境容量有限的特大型城市。随着天津经济的快速增长,碳排放强度虽然降低,但碳排放总量和规模持续增大,天津面临的减排困难很大。天津要建设低碳型城市,应当发展低碳能源与低碳型消费,倡导低碳生活方式,营造低碳社会氛围,实施低碳城市发展战略是天津经济发展的战略选择。     

Solamente Mexicanos? Patterns and sources of Hispanic diversity in U.S. metropolitan areas

Rapid Hispanic growth has been a major source of increasing ethnoracial diversity in the United States. However, diversity within the Hispanic population is frequently obscured by the tendency to lump all Latinos together. Our study examines Hispanic diversity at the local level, drawing insights from the Mexican dominance, Caribbean-centric settlement, spatial assimilation, and economic opportunity perspectives. Measures of the magnitude and structure of Hispanic origin-group diversity during the 1990–2010 period are constructed for 363 metropolitan areas based on each area's shares of Mexicans, Puerto Ricans, Cubans, Dominicans, Salvadorans, Guatemalans, Colombians, and ‘others’. We find that diversity magnitude varies markedly across metropolitan Hispanic populations. Although the most diverse metro areas lack a majority origin group, Mexicans often constitute a majority or plurality of local Latinos. Diversity levels and structures have remained relatively stable over time. In both 1990 and 2010, metro areas with more diverse, multigroup Hispanic communities are distinguished by their larger size, smaller proportion of Hispanics, location farther from Mexico and closer to the Caribbean, and greater odds of being a military hub. They also exhibit higher rates of housing construction and lower rates of agricultural and manufacturing employment. We use weighted data to show that Dominican metro dwellers experience the highest Hispanic diversity while the average Mexican lives in an area where four-fifths of all Latinos are Mexican. Overall, our results provide primary support for the Mexican dominance perspective but some support for the other three perspectives as well.     

基于碳排放视角的区域效率及其影响因素分析——低碳城市的一个测度

低碳城市建设是当前中国城市发展的重要课题,而城市低碳经济发展水平的测度则是其中的一个重要环节。本文基于碳排放视角,选择代表性国家(地区)和城市样本进行比较研究,将碳排放数量这一非期望产出变量作为投入进行处理,在科学设计DEA计量模型基础上,通过对区域整体效率及其影响因素进行实证分析,实现对低碳城市建设水平的测度,并据此进行结论分析,研究提出若干启示性建议。     

Heterogeneity in the rise and decline of city-level homicide rates, 1976-2005: A latent trajectory analysis

This study applies latent trajectory methods to the analysis of temporal changes in homicide rates among large US cities across recent decades. Specifically, annual homicide rates for 157 large US cities are analyzed for the 30 years from 1976 to 2005. We address the fundamental questions: Did all of cities experience similar levels and patterns of rise and decline in homicide rates over these three decades? Or is there hidden or unobserved heterogeneity with respect to these temporal patterns, thus leading to the identification of more homogeneous groupings of the cities? And if latent homogeneous groupings surface, is membership due to specific structural characteristics found within those cities? Evidence is found for the existence of four latent homicide rate trajectories. After identifying and classifying the cities into these four groups, multivariate statistical techniques are used to determine which social and economic characteristics are significant predictors of these distinct homicide trends. Criminal justice measures are also included as controls. It is found that larger cities located in the South with higher levels of resource deprivation/concentrated poverty, higher income inequality, higher percentages of the adult male population that are divorced, higher unemployment rates, higher percentages of youth, higher percentages of the population who are Hispanic and higher numbers of police per capita are more likely to be in a higher than a lower homicide trajectory group. Higher percentages of the population enrolled in colleges and universities and locations in states with higher incarceration rates are characteristics of cities associated with membership in a lower homicide trajectory group.     

中国电信业技术效率与环境因素的相关性分析

运用DEA方法测度了2005—2008年中国31个省（市、自治区）的电信业相对效率,在此基础上,重点研究和分析了影响电信业技术效率的环境因素。研究结果表明：样本期间,我国电信业的技术效率整体上不高且呈现出明显的区域差异;技术效率按照东部、中部、西部依次降低,与我国经济社会发展的不平衡性相符合;地区生产总值、研究与试验发展经费支出、人均消费水平、人均生产总值、人口密度、人均可支配收入与我国电信业技术效率呈正相关关系且相关性依次降低;价格上限规制与我国电信业技术效率呈负相关关系。