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7,223 result(s) for "northern migration"
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Migrating to the Movies
The rise of cinema as the predominant American entertainment around the turn of the last century coincided with the migration of hundreds of thousands of African Americans from the South to the urban \"land of hope\" in the North. This richly illustrated book, discussing many early films and illuminating black urban life in this period, is the first detailed look at the numerous early relationships between African Americans and cinema. It investigates African American migrations onto the screen, into the audience, and behind the camera, showing that African American urban populations and cinema shaped each other in powerful ways. Focusing on Black film culture in Chicago during the silent era,Migrating to the Moviesbegins with the earliest cinematic representations of African Americans and concludes with the silent films of Oscar Micheaux and other early \"race films\" made for Black audiences, discussing some of the extraordinary ways in which African Americans staked their claim in cinema's development as an art and a cultural institution.
Influenza A Viruses from Overwintering and Spring-Migrating Waterfowl in the Lake Erie Basin, United States
Influenza A virus (IAV) surveillance in migratory waterfowl in the United States has primarily occurred during late summer and the autumn southern migration. Data concerning the presence and ecology of IAVs in waterfowl during winter and spring seasons in the U.S. northern latitudes have been limited, mainly due to limited access to waterfowl for sampling. The southwestern Lake Erie Basin is an important stopover site for waterfowl during migration periods, and over the past 28 years, 8.72% of waterfowl sampled in this geographic location have been positive for IAV recovery during summer and autumn (June–December). To gain a better understanding of influenza A viral dynamics in waterfowl populations during winter and spring migration (February through April), cloacal swabs were collected from overwintering and spring-migrating waterfowl in Ohio and Michigan in 2006, 2007, 2013, and 2014. A total of 740 cloacal swabs were collected and tested using virus isolation in embryonating chicken eggs, resulting in the recovery of 33 (4.5%) IAV isolates. The influenza A isolates were recovered from eight waterfowl species in the order Anseriformes. Antigenically, the IAV isolates represent 15 distinct hemagglutinin (HA) and neuraminidase (NA) combinations, with seven (21%) of the isolates reported as mixed infections based on antigenic HA subtyping, NA subtyping, or both. This effort demonstrates the presence of antigenically diverse IAV in waterfowl during overwintering and spring migration at northern latitudes in the United States, thereby contributing to the understanding of the maintenance of diversity among waterfowl-origin IAVs.
A Clean Sweep?
'A Clean Sweep? The Politics of Ethnic Cleansing in Western Poland, 1945-1960' examines the long-term impact of ethnic cleansing on postwar Poland, focusing on the western Polish provinces of Poznan and Zielona Góra. Employing archival materials from multiple sources, including newly available Secret Police archives, it demonstrates how ethnic cleansing solidified Communist rule in the short term while reshaping and 'nationalizing' that rule. The Poles of Poznan played a crucial role in the postwar national revolution in which Poland was ethnically cleansed by a joint effort of the people and state. A resulting national solidarity provided the Communist-dominated regime with an underlying stability, while it transformed what had been a militantly internationalist Polish Communism. This book addresses the legacy of Polish-German conflict that led to ethnic cleansing in East Central Europe, the ramifications within the context of Polish Stalinism's social and cultural revolutions, and the subsequent anti-national counterrevolutionary effort to break the bonds of national solidarity. Finally, it examines how the Poznan milieu undermined and then reversed Stalinist efforts at socioeconomic and cultural revolution. In the aftermath of the Poznan revolt of June 1956, the regime's leadership re-embraced hyper-nationalist politics and activists, and by 1960 Polish authorities had succeeded in stabilizing their rule at the cost of becoming an increasingly national socialist polity. T. David Curp is assistant professor in the Department of History at Ohio University.
MIGRATION, KNOWLEDGE DIFFUSION AND THE COMPARATIVE ADVANTAGE OF NATIONS
The diffusion of tacit knowledge involves direct human interactions. This implies that the international diffusion of knowledge should follow the pattern of international migration. We test this idea using cross-country productivity spillovers leading to new exports as proxy for knowledge diffusion. We find that a 10% increase in immigration from exporters of a given product is associated with a 2% increase in the likelihood that the host country starts exporting that good 'from scratch' in the next decade. The results appear stronger for highly-skilled migrants, qualitatively similar for emigrants and robust to instrumenting for migration in a gravity framework.
Seasonal migration to high latitudes results in major reproductive benefits in an insect
Little is known of the population dynamics of long-range insect migrants, and it has been suggested that the annual journeys of billions of nonhardy insects to exploit temperate zones during summer represent a sink from which future generations seldom return (the “Pied Piper” effect). We combine data from entomological radars and ground-based light traps to show that annual migrations are highly adaptive in the noctuid moth Autographa gamma (silver Y), a major agricultural pest. We estimate that 10–240 million immigrants reach the United Kingdom each spring, but that summer breeding results in a fourfold increase in the abundance of the subsequent generation of adults, all of which emigrate southward in the fall. Trajectory simulations show that 80% of emigrants will reach regions suitable for winter breeding in the Mediterranean Basin, for which our population dynamics model predicts a winter carrying capacity only 20% of that of northern Europe during the summer. We conclude not only that poleward insect migrations in spring result in major population increases, but also that the persistence of such species is dependent on summer breeding in high-latitude regions, which requires a fundamental change in our understanding of insect migration.
The genomic history of the Iberian Peninsula over the past 8000 years
J.M.F., F.J.L.-C., J.I.M., F.X.O., J.D., and M.S.B. were supported by HAR2017-86509-P, HAR2017-87695-P, and SGR2017-11 from the Generalitat de Catalunya, AGAUR agency. C.L.-F. was supported by Obra Social La Caixa and by FEDER-MINECO (BFU2015- 64699-P). L.B.d.L.E. was supported by REDISCO-HAR2017-88035-P (Plan Nacional I+D+I, MINECO). C.L., P.R., and C.Bl. were supported by MINECO (HAR2016-77600-P). A.Esp., J.V.-V., G.D., and D.C.S.-G. were supported by MINECO (HAR2009-10105 and HAR2013-43851-P). D.J.K. and B.J.C. were supported by NSF BCS-1460367. K.T.L., A.W., and J.M. were supported by NSF BCS-1153568. J.F.-E. and J.A.M.-A. were supported by IT622-13 Gobierno Vasco, Diputación Foral de Álava, and Diputación Foral de Gipuzkoa. We acknowledge support from the Portuguese Foundation for Science and Technology (PTDC/EPH-ARQ/4164/2014) and the FEDER-COMPETE 2020 project 016899. P.S. was supported by the FCT Investigator Program (IF/01641/2013), FCT IP, and ERDF (COMPETE2020 – POCI). M.Si. and K.D. were supported by a Leverhulme Trust Doctoral Scholarship awarded to M.B.R. and M.P. D.R. was supported by an Allen Discovery Center grant from the Paul Allen Foundation, NIH grant GM100233, and the Howard Hughes Medical Institute. V.V.-M. and W.H. were supported by the Max Planck Society.
Taken by Storm
Do negative shocks in origin countries encourage or inhibit international migration? What roles do networks play in modifying out-migration responses? The answers to these questions are not theoretically obvious, and past empirical findings are equivocal. We examine the impact of hurricanes on a quarter century of international migration to the United States. Hurricanes increase migration to the United States, with the effect’s magnitude increasing in the size of prior migrant stocks. We provide new insights into how networks facilitate legal, permanent US immigration in response to origin country shocks, a matter of growing importance as climate change increases natural disaster impacts.
Gifts of the Immigrants, Woes of the Natives
In this article, I jointly investigate the political and the economic effects of immigration, and study the causes of anti-immigrant sentiments. I exploit exogenous variation in European immigration to U.S. cities between 1910 and 1930 induced by World War I and the Immigration Acts of the 1920s, and instrument immigrants’ location decision relying on pre-existing settlement patterns. I find that immigration triggered hostile political reactions, such as the election of more conservative legislators, higher support for anti-immigration legislation, and lower redistribution. Exploring the causes of natives’ backlash, I document that immigration increased natives’ employment, spurred industrial production, and did not generate losses even among natives working in highly exposed sectors. These findings suggest that opposition to immigration was unlikely to have economic roots. Instead, I provide evidence that natives’ political discontent was increasing in the cultural differences between immigrants and natives. Results in this article indicate that, even when diversity is economically beneficial, it may nonetheless be socially hard to manage.
The Impact of Immigration on Wages, Internal Migration, and Welfare
This article studies the impact of immigration on wages, internal migration, and welfare. Using U.S. Census data, I estimate a spatial equilibrium model where labour differs by skill level, gender, and nativity. Workers are heterogeneous in city preferences. Cities vary in productivity levels, housing prices, and amenities. I use the estimated model to assess the distributional consequences of several immigration policies. The results show that a skill selective immigration policy leads to welfare gains for low skill workers, but welfare losses for high skill workers. The negative impacts are more substantial among the incumbent high skill immigrants. Internal migration mitigates the initial negative impacts, particularity in cities where housing supplies are inelastic. However, the negativewage impacts on someworkers intensify. This is because an out-migration of workers of a given type may raise the local wages for workers of that type, while reducing the local wages of workers with complementary characteristics. Overall, there are substantial variations in the welfare effects of immigration across and within cities. Further, I use the model to assess the welfare effects of the border wall between Mexico and the U.S. The results show that the potential benefits are significantly smaller than the proposed cost of construction.
A Nation of Immigrants: Assimilation and Economic Outcomes in the Age of Mass Migration
During the Age of Mass Migration (1850–1913), the United States maintained an open border, absorbing 30 million European immigrants. Prior cross-sectional work finds that immigrants initially held lower-paid occupations than natives but converged over time. In newly assembled panel data, we show that, in fact, the average immigrant did not face a substantial occupation-based earnings penalty upon first arrival and experienced occupational advancement at the same rate as natives. Cross-sectional patterns are driven by biases from declining arrival cohort skill level and departures of negatively selected return migrants. We show that assimilation patterns vary substantially across sending countries and persist in the second generation.