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The IMF’s role in Greece in the context of the 2010 stand-by arrangement

In April 2010, Greece became the first euro area country to request financial support from the IMF. The IMF joined the European Commission (EC) and the European Central Bank (ECB)—thus constituting what informally came to be known as the troika—in providing emergency financing, with the Fund’s contribution taking the form of a €30 billion three-year Stand-By Arrangement (SBA)...

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/ 23/08/2016

Does ethnic diversity decrease economic interactions? Evidence from exchange networks in rural Gambia

Using a unique dataset collected in 59 rural Gambian villages, we study how ethnic heterogeneity is related to the structure of four economic exchange networks: land, labor, inputs and credit. We find that different measures of village-level ethnic fragmentation are mostly uncorrelated with network structure. At a more disaggregated level, household heads belonging to ethnic...

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/ 23/08/2016

Dynamic mean preserving spreads

We extend the celebrated Rothschild and Stiglitz (1970) definition of Mean Preserving Spreads to scalar diffusion processes. We provide sufficient conditions under which a family of diffusion processes satisfies the dynamic counterparts to the famous Rothschild and Stiglitz integral conditions. We prove that the only Brownian bridge with non-constant drift that displays the Dynamic...

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/ 23/08/2016

Prefrontal connections express individual differences in intrinsic resistance to trading off honesty values against economic benefits

Individuals differ profoundly when they decide whether to tell the truth or to be dishonest, particularly in situations where moral motives clash with economic motives, i.e., when truthfulness comes at a monetary cost. These differences should be expressed in the decision network, particularly in prefrontal cortex. However, the interactions between the core players of the decision...

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English / 23/08/2016

Destituent entrepreneurship: disobeying sovereign rule, prefiguring post-capitalist reality

This article introduces ‘destituent entrepreneurship’ as a way of imagining the political thrust of entrepreneurship under conditions of crisis. Taking its cues from Giorgio Agamben’s work on destituent power, and from theories of prefigurative praxis by other thinkers, this analysis uses the occupied-enterprise movement in Argentina as an illustrative case to cultivate sensitivity...

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English / 23/08/2016

Globale Geschäfte: heimatlos und steuerfrei?

"Wir zahlen keine Steuern. Nur kleine Leute zahlen Steuern." Den berühmten zynischen Satz einer New Yorker Milliardärin aus den 1980er Jahren haben sich in jüngerer Zeit vor allem die multinational agierenden Firmen zu Eigen gemacht. Wie geht das und warum geht das so nicht?

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Deutsch / 23/08/2016

Space-time local embeddings

Space-time is a profound concept in physics. This concept was shown to be useful for dimensionality reduction. We present basic definitions with interesting counter-intuitions. We give theoretical propositions to show that space-time is a more powerful representation than Euclidean space. We apply this concept to manifold learning for preserving local information. Empirical results...

Institution partenaire

Haute Ecole de Gestion de Genève

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English / 22/08/2016

Factorizing LambdaMART for cold start recommendations

Recommendation systems often rely on point-wise loss metrics such as the mean squared error. However, in real recommendation settings only few items are presented to a user. This observation has recently encouraged the use of rank-based metrics. LambdaMART is the state-of-the-art algorithm in learning to rank which relies on such a metric. Motivated by the fact that very often the...

Institution partenaire

Haute Ecole de Gestion de Genève

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English / 22/08/2016

Functional learning of time-series models preserving Granger-causality structures

We develop a functional learning approach to modelling systems of time series which preserves the ability of standard linear time-series models (VARs) to uncover the Granger-causality links in between the series of the system while allowing for richer functional relationships. We propose a framework for learning multiple output-kernels associated with multiple input-kernels over a...

Institution partenaire

Haute Ecole de Gestion de Genève

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English / 22/08/2016

An approximation approach to a trade-off among efficiency, efficacy, and balance for relief pre-positioning in disaster management

This work develops a multi-objective, two-stage stochastic, non-linear, and mixed-integer mathematical model for relief pre-positioning in disaster management. Improved imbalance and efficacy measures are incorporated into the model based on a new utility level of the delivered relief commodities. This model considers the usage possibility of a set of alternative routes for each of...

Institution partenaire

Haute Ecole de Gestion de Genève

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English / 22/08/2016

Means-tested public support and the interaction between long-term care insurance and informal care:

This paper investigates theoretically how the structure of means-tested public long-term care (LTC) support influences the relationship between LTC insurance and informal care. Three types of public support encountered in various means-tested LTC schemes are examined. First, the level to be considered for means-testing only takes into account the level of wealth of the recipient...

Institution partenaire

Haute Ecole de Gestion de Genève

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English / 22/08/2016

Means-tested public support and the interaction between long-term care insurance and informal care

This paper investigates theoretically how the structure of means-tested public long-term care (LTC) support influences the relationship between LTC insurance and informal care. Three types of public support encountered in various means-tested LTC schemes are examined. First, the level to be considered for means-testing only takes into account the level of wealth of the recipient...

Institution partenaire

Haute Ecole de Gestion de Genève

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English / 22/08/2016

Leveraging the network: a stress-test framework based on DebtRank

We develop a novel stress-test framework to monitor systemic risk in financial systems. The modular structure of the framework allows to accommodate for a variety of shock scenarios, methods to estimate interbank exposures and mechanisms of distress propagation. The main features are as follows. First, the framework allows to estimate and disentangle not only first-round effects (i.e...

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English / 19/08/2016

Coping with migration-induced urban growth: addressing the blind spot of UN habitat

The demography of cities in the 21st century will be shaped, to a large extent, by migration. This paper argues that the rights-based approach to urban policy advocated in the preparatory work of Habitat III, the UN Conference on Housing and Sustainable Urban Development to be held in October 2016 in Quito, Ecuador, may not be conducive to this goal. The approach lacks a contextual...

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English / 19/08/2016

Examining the export wage premium in developing countries

There are arguably potential wage gains from exports in developing countries. Export markets bring about opportunities for firms and successful exporting firms translate some of the benefits of exports to workers via employment and wage premia. Using comparable data for 61 developing and low-income countries, we document the prevalence of the export wage premia worldwide. With an...

Institution partenaire

Haute Ecole de Gestion de Genève

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English / 18/08/2016

Value of statistical life and changes in ambiguity

This paper investigates the effect of changes in ambiguity on the value of statistical life (VSL) under the smooth ambiguity model developed by Klibano, Marinacci and Mukerji (2005). Changes in ambiguity over the mortality risk are expressed through the specific concept of stochastic dominance of order n defined by Ekern (1980). We provide sufficient conditions on the individual...

Institution partenaire

Haute Ecole de Gestion de Genève

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English / 18/08/2016

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