Publications des institutions partenaires

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User-centric design and evaluation of a semantic annotation model for scientific documents

When performing document search, scientists have specific goals in mind. We conducted interviews with scientists to understand exactly how they were looking for information and working with documents. We found that scientists are generally searching specific discourse elements, not the en- tire document. Therefore, we created an annotation model that can represent the different types...

Institution partenaire

Université de Genève

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English / 01/01/2014

Associational Involvement, Social Capital and the Political Participation of Ethno-Religious Minorities: The Case of Muslims in Switzerland

This paper looks at the determinants of the political participation of Muslims. We assess the impact of associational involvement on their overall political participation and their involvement in protest activities. We do so using original survey data consisting of a random sample of Muslim residents in Switzerland. Our analysis provides support to the argument that associational...

Institution partenaire

Université de Genève

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English / 01/01/2014

Semiparametrically Efficient R-Estimation for Dynamic Location-Scale Models

We define rank-based estimators (R-estimators) for semiparametric time series models in whichthe conditional location and scale depend on a Euclidean parameter, while the innovation density isan infinite-dimensional nuisance. Applications include linear and nonlinear models, featuring eitherhomo- or heteroskedasticity (e.g. AR-ARCH and discretely observed diffusions with jumps). We...

Institution partenaire

Université de Genève

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English / 01/01/2014

Adaptation to climate change in Sub-Saharan agriculture: assessing the evidence and rethinking the drivers

In this paper, after a review of the evolution of the literature on climate change economics in agriculture, I present some evidence of the impact of different moments of the distribution of rainfall on farmers risk aversion. It is found that while more rainfall is negatively associated with the probability of observing risk aversion, rainfall variability is positively correlated....

Institution partenaire

Université de Genève

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English / 01/01/2014

Ant Local Search for Combinatorial Optimization

In ant algorithms, each individual ant makes decisions according to the greedy force (short term profit) and the trail system based on the history of the search (information provided by other ants). Usually, each ant is a constructive process, which starts from scratch and builds step by step a complete solution of the considered problem. In contrast, in Ant Local Search (ALS), each...

Institution partenaire

Université de Genève

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English / 01/01/2014

Margining in derivatives markets and the stability of the banking sector

We investigate the effects of margining, a widely-used mechanism for attaching collateral to derivatives contracts, on derivatives trading volume, default risk, and on the welfare in the banking sector. First, we develop a stylized banking sector equilibrium model to develop some basic intuition of the effects of margining. We find that a margin requirement can be privately and...

Institution partenaire

Université de Genève

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English / 01/01/2013

Liquidity Risk, Return Predictability, and Hedge Funds' Performance: An Empirical Study

This article analyzes the effect of liquidity risk on the performance of equity hedge fund portfolios. Similarly to Avramov, Kosowski, Naik, and Teo (2007),(2011), we observe that, before accounting for the effect of liquidity risk, hedge fund portfolios that incor- porate predictability in managerial skills generate superior performance. This outperfor-mance disappears or weakens...

Institution partenaire

Université de Genève

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English / 01/01/2013

Preferences for Truthfulness: Heterogeneity among and within Individuals

We conduct an experiment assessing the extent to which people trade off the economic costs of truthfulness against the intrinsic costs of lying. The results allow us to reject a type-based model. People's preferences for truthfulness do not identify them as only either "economic types" (who care only about consequences) or "ethical types" (who care only about...

Institution partenaire

Université de Genève

Full Text

English / 01/01/2013

Do Implicit Barriers Matter for Globalization?

Market liberalization may not result in full market integration if implicit barriers are important. We test this proposition for investable and non-investable segments of twenty- two emerging markets (EMs). We also measure the degree of integration for six major developed markets (DMs) as a meaningful benchmark. We find that while the DMs are close to fully integrated, both EM...

Institution partenaire

Université de Genève

Full Text

English / 01/01/2013

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