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41.
Immigration and Welfare for the Host Economy with Imperfect Competition   总被引:1,自引:0,他引:1  
In the literature, the beneficial result of immigration to the host country relies on the assumption of perfect competition in the goods market. However, for an economy characterized by imperfect competition, immigration of unskilled workers can be welfare-reducing. The entry of skilled workers is nevertheless welfare-enhancing under a plausible factor-intensity condition.  相似文献   
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Feminist digital geographies are an important part of the digital turn currently underway in geographic scholarship. At the same time, feminist movements are taking advantage of, and emerging from, digital spaces. This article considers how the digital intersects with gender and what opportunities the digital affords feminist movements. We do so by drawing on a case study of feminist activism within Destroy the Joint (DTJ), an online social media activist group, and build a qualitative analysis of a dynamic, reflexive digital space. Qualitative studies of emotion, affect and the power of digital geographies, including social media spaces populated by groups like DTJ, demonstrate how cultural and social practices are changing along with technologies. This research does not draw on a techno-deterministic approach to digital geographies but forwards a feminist perspective that critically engages with the constraints and possibilities of the complex, paradoxical and contingent within the digital.  相似文献   
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Since the first commercial planting of cocoa in Ghana more than a century ago, the production of cocoa has been a key factor in the redistribution of migrants and has played a pivotal role in the development of both sending and receiving communities. This process has been acknowledged in the literature for decades. However, how migration flows have changed in response to changing livelihoods dynamics of the frontier and how this has impacted on the development of the frontier has only attracted limited attention. Based on a study of immigration to Ghana's current cocoa frontier in the Western Region, this article aims to examine how immigration and frontier dynamics in the Western region are contributing to livelihood transitions and small town development, and how this process is gradually becoming delinked from the production of cocoa. The article focuses on how migration dynamics interlink with livelihood opportunities and strategies. It is argued that migrants to the current frontier can be divided into at least four different types based on their migration, settlement and livelihood practices. Accordingly, to understand how the cocoa frontier changes as well as its continuation beyond the frontier crop, there is a need for a broader understanding of the frontier concept, and how frontier transformation interacts with migration and livelihood dynamics.  相似文献   
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The purpose of this paper is to extend Poisson regression to the analysis of spatial interactions over time. The methodology involves derivation of models using information methods and calibration using Poisson regression. Poisson regression is then used to analyze interannual variation in U.S. rail freight flows, 1972-81. Findings indicate that import and export variability is less important than is flow variability. Import and export variability is highest for the northeastern United States, but flow variability is highest for the southern and western United States. This has implications for the specification of dynamic models of commodity flow.  相似文献   
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Abstract

In recent years, geographers have increasingly called for and enacted more sustained engagements between geography and the arts. This creative (re)turn represents both a renewed interest in recovering interdisciplinary practices within the history of the discipline and a desire to create space for new methods and creative approaches. This article develops in response to two areas requiring further critical engagement and development within the creative (re)turn: questions about the place of identity in creative geographies and the potential for creative geographies to perform critical interventions into disciplinary spaces and identities. I explore and develop these areas of concern alongside a discussion of a critical-creative geographies exhibit, The Critical Futures Visual Archive. Through a presentation of select works in this collection and a candid discussion of the institutional obstacles encountered in curating it, I elaborate upon the challenges and critical potentials of integrating creative practices into geography as a form of feminist praxis.  相似文献   
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