Université de Genève

General variance covariance structures in two-way random effects models

Les raisons des différences de chômage entre Genève et le reste de la Suisse

Description: 

Le but de cet article est de comprendre pourquoi le taux de chômage à Genève est plus élevé que dans le reste de la Suisse. Pour expliquer les différences de taux de chômage cantonales, nous utilisons une approche basée sur l'analyse des entrées et de sorties dans et taux de chômage et la durée du chômage individuelle des sorts entre les cantons. Nous trouvons d'abord que le taux de chômage élevé à Genève est principalement due à un taux de sortie du chômage faible. Nous examinons ensuite l'effet des caractéristiques de la population au chômage sur la durée prévue de leurs périodes de chômage. Nos résultats indiquent que les personnes sans emploi à Genève ont des caractéristiques très différentes individuels que la population des chômeurs dans le reste de la Suisse; ces différences contribuent à allonger la durée du chômage à Genève. Ainsi, le taux de chômage élevé à Genève est principalement due à la longue durée des périodes de chômage expliquées par les caractéristiques particulières de la piscine de chômeurs dans ce canton et par le fait que l'impact de ces caractéristiques défavorables est encore plus négative à Genève que dans le reste de la Suisse.

OECD imports: diversification of suppliers and quality search

Rainfall variability and food crop portfolio choice : evidence from Ethiopia

Structured Debt Ratings: Evidence on Conflicts of Interest

Description: 

We test if issuers of asset- and mortgage-backed securities receive rating favors from agencies with which they maintain strong business relationships. Controlling for issuer fixed effects and a large set of credit risk determinants, we show that agencies publish better ratings for those issuers that provide them with more bilateral securitization business. Such rating favors are larger for very complex structured debt deals and for deals issued during the credit boom period. Our analysis is based on a new deal-level rating statistic that accounts for the full distribution of tranche ratings below the AAA cut-off point of a structured debt deal.

Public Policies for Well-being with Justice: A Theoretical Discussion based on Capabilities and Opportunities

Description: 

This article presents a theoretical framework that combines virtues and strengths of the Capability Approach (CA) and Equality of Opportunity (EOp) approach for analyzing public policies that aim to improve individual wellbeing and social justice. We show that neither approach is sufficient on its own for this goal. It is particularly useful to combine the two approaches because the CA offers a positive way of thinking about what wellbeing is, while the EOp Approach provides more formal insights on how to configure public policies to achieve social justice and increase individual wellbeing from a normative perspective. We make the case that EOp in its original (ex-post) conception is too heavily centered on lifestyle outcomes and oblivious to individual heterogeneity. However, we argue that it contains elements that are compatible with the CA rationale from an ex-ante point of view. Individual efforts play a crucial conceptual role in our proposed combination because they influence and are influenced by individual capabilities. Our optimal policy for improving wellbeing with EOp is one that aims to equalize expected capabilities across different groups, characterized by circumstances, through a maximin algorithm. We provide a technical analysis of our optimal policy taking into account the influence of circumstances and policies on efforts and capabilities.

Landlockedness, Infrastructure and Trade:New Estimates for Central Asian Countries

Description: 

This paper assesses the impact of internal infrastructure and landlockedness on Central Asian trade. The impact of landlockedness on Central Asian's trade costs is split into several components, using a panel gravity equation estimated on a large sample of countries (167 countries over 1992-2004). Our findings highlight that an improvement in the own infrastructure of Central Asian countries from the level of the median Central Asian country to that of other landlocked countries would raise exports (imports) by a modest 2.4% (3.1%). By contrast, an improvement in Central Asian transit-country infrastructure to the level of the other landlocked countries would raise the representative CAC's exports by a whopping 49%. Other dimensions of landlockedness considered in this study are also great impediments to trade. Either diminishing the extra overland costs or enhancing the ability to negotiate sea access would significantly increase Central Asian trade, ‘'transit monopolies'' (single transit corridors) reducing trade significantly.

The Redistributive Impact of Alternative Income Maintenance Schemes: A Microsimulation Study using Swiss Data

Real effects of stock underpricing

Description: 

This paper provides evidence for a causal effect of equity prices on corporate investment and employment. We use fire sales by distressed equity funds during the 2007–2009 financial crisis to identify substantial exogenous underpricing. Firms whose stocks are most under- priced have considerably lower investment an d employment than industry peers not subject to any fire sale discount. The causal effect of underpric ing on investment is found to be largely concentrated on the most financially constrained firms.

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