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Université de Fribourg

Direct and indirect effects based on difference-in-differences with an application to political preferences following the Vietnam draft lottery

Deuchert, Eva ; Huber, Martin ; Schelker, Mark

(Working Papers SES ; 473 (revised))

This paper proposes a difference-in-differences approach for disentangling a total treatment effect on some outcome into a direct effect as well as an indirect effect operating through a binary intermediate variable – or mediator – within strata defined upon how the mediator reacts to the treatment. Imposing random treatment assignment along with specific common trend (and further)...

Université de Fribourg

Simple Statistical Screens to Detect Bid Rigging

Imhof, David

(Working Papers SES ; 484)

The paper applies simple statistical screens to a bid-rigging cartel in Switzerland, and shows how well the screens detect it by capturing the impact of collusion on the discrete distribution of the bids. In case of bid rigging, the support for the distribution of the bids decreases involving a lower variance, illustrated by the coefficient of variance and the kurtosis statistic. Furthermore,...

Université de Fribourg

Econometric tests to detect bid-rigging cartels: does it work?

Imhof, David

(Working Papers SES ; 483)

This paper tests how well the method proposed by Bajari and Ye (2003) performs to detect bidrigging cartels. In the case investigated in this paper, the bid-rigging cartel rigged all contracts during the collusive period, and all firms participated to the bid-rigging cartel. The two econometric tests constructed by Bajari and Ye (2003) produce a high number of false negative results: the tests do...

Université de Neuchâtel

Globalisation postindustrielle et milieux locaux : une typologie

Guex, Delphine ; Crevoisier, Olivier

(Working Papers MAPS ; 1)

Dans la société industrielle, le développement des régions dépendait de leur insertion dans la globalisation par la production, de leur positionnement dans la division du travail : c’est la compétitivité. Désormais, la globalisation se joue également au niveau de la consommation. Cette dimension est abordée dans la littérature, par exemple par Markusen (Markusen, 2007; Markusen &...

Université de Neuchâtel

The Determinants of Naturalization in Switzerland between 2010 and 2012

Wanner, Philippe ; Loretan, Alicia

(nccr on the move ; 13)

Naturalization is an important phenomenon for countries, not only because of its implications (it grants duties and rights to new citizens) but also because of its policy-sensitive aspect. In Switzerland, it is also a complex phenomenon because of the diversity of procedures at the canton and commune levels. Knowledge of the determinants of naturalization is still lacking. In this context, this...

Université de Neuchâtel

State’s Discretion and the Challenge of Irregular Migration – the Example of Permanent Regularization Practices in Spain and Switzerland

Della Torrel, Lucia

(nccr on the move ; 12)

In the heated debate around irregular migration, the so-called regularization measures represent one of the main bones of contention – presented by some as the only possible solution to irregular presences and contested by others as rewards for illicit behaviour. Despite their many differences, such measures have a common core – discretion. They are, in fact, gracious concessions of the State...

Université de Neuchâtel

Language Roulette – The Effect of Random Placement on Refugees’ Labour Market Integration

Auer, Daniel

(nccr on the move ; 11)

The labour market integration of refugees represents a key challenge for policy makers and has emerged as one of the most divisive topics in public debate. European countries have been pressured to establish fair and transparent methods of placing asylum seekers among the European states and into different regions within their national borders. In this paper, I highlight the unsurprising yet...