2,997 research outputs found

    Replication Data for: Land/Labor Ratios, Citizenship, and Migrants: Exploring the Hidden Links in the Political Economy of Immigration Regimes

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    Here you can find the replication data and Stata .do file for "Land/Labor Ratios, Citizenship, and Migrants" by Scholten & Leblang (2023) in World Politics. Please contact the corresponding author for further enquiries

    Mere token effect: O efeito do token depende do seu posicionamento e da sua magnitude

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    Dissertação de Mestrado apresentada no ISPA - Instituto Universitário, na especialidade de Psicologia Social e das Organizações.O presente estudo tem como finalidade averiguar um novo fenómeno na escolha intertemporal, o efeito de mere token, que indica que ao acrescentar um montante comum a duas opções intertemporais, aumenta a paciência. Nos modelos de desconto, como o Modelo de Utilidade Descontada (Samuelson, 1937) ou o Modelo de Desconto Hiperbólico (Loewenstein & Prelec, 1992), o mere token não devia ter efeito. No Modelo de Trocas (Read & Scholten, 2012; Scholten & Read, 2010), no entanto tem efeito. Foram testadas duas implicações do Modelo de Trocas: (1) o efeito depende do posicionamento do token ao longo do horizonte temporal e, (2) o efeito depende do tamanho do token. Um estudo com 349 sujeitos confirmou ambas as implicações, embora o efeito de um token posicionado num horizonte longínquo não se enquadre facilmente no modelo.The aim of the present study is to investigate a new phenomenon on the inter-temporal choice, the mere token effect, which indicates that by adding a common amount to two intertemporal choices increases the patience. In Discount Models, such as the Discounted Utility Models (Samuelson, 1937) or the Hyperbolic Discount (Loewenstein & Prelec, 1992) the mere token should not have effect. However, in the Tradeoff Model (Read & Scholten, 2012; Scholten & Read, 2010) the token has effect. Two implications of the Tradeoff Model were tested: (1) the effect depends on the position of the token along time, and (2) the effect depends on the size of the token. With 349 participants, this study confirmed both implications, although the effect of a token with a distant time does not fit easily on the model

    Earth, Wind and Solar Energy

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    Renewable energy is the energy of the future – plentiful and ubiquitous. Technological advances and economies of scale are bringing down prices, whereas fossil and nuclear are increasingly uncompetitive. Here, the Green European Journal presents in numbers how energy systems will evolve over the decades to come, while Daniel Scholten traces the new geopolitical faultlines set to supersede those of the fossil age

    The privatisation of immigration control through carrier sanctions ::the role of private transport companies in Dutch and British immigration control /

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    The central theoretical question of 'The Privatisation of Immigration Control through Carrier Sanctions' concerns the social working of legal rules. Sophie Scholten examines how states, private companies (carriers) and people (passengers) have become interconnected through carrier sanctions legislation. Scholten describes the legal framework in the Netherlands and the UK and international and European legislative rules developed on the subject. The author ties in with debates on privatisation of control in general and of immigration control in particular. As such the author provides a much needed new look at a field which as not attracted detailed academic attention. Scholten opens up fascinating questions about the relationship of the public and private sectors in the complex and politically sensitive area of immigration

    Modularity of the Consani-Scholten quintic

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    We prove that the Consani-Scholten quintic, a Calabi-Yau threefold over Q, is Hilbert modular. For this, we refine several techniques known from the context of modular forms. Most notably, we extend the Faltings-Serre-Livn'e method to induced four-dimensional Galois representations over Q. We also need a Sturm bound for Hilbert modular forms; this is developed in an appendix by José Burgos Gil and the second author

    Modularity of the Consani-Scholten quintic

    No full text
    We prove that the Consani-Scholten quintic, a Calabi-Yau threefold over Q, is Hilbert modular. For this, we refine several techniques known from the context of modular forms. Most notably, we extend the Faltings-Serre-Livn'e method to induced four-dimensional Galois representations over Q. We also need a Sturm bound for Hilbert modular forms; this is developed in an appendix by José Burgos Gil and the second author
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