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Occasional Seminars Allievi Defense Session

JUNIOR ALLIEVI 09.15 Giovanni Ferraris Title: "How do economists measure happiness? A critical appraisal of the World Happiness Report" SENIOR ALLIEVI 09.45 Andrea Milesi Title: "The impact of railway infrastructure investments on rail freight transport"   10.30 Mattia Duma Title: "Bayesian nonparametric analysis of Shakespeare's poems"

Seminars in Economics Marco Scarsini (Luiss University)

"On the asymptotic behavior of the price of anarchy" abstract This paper examines the asymptotic behavior of the price of anarchy as a function of the total traffic inflow in nonatomic congestion games with multiple origin-destination pairs.We first show that the price of anarchy may remain bounded away from 1, even in simple three-link parallel networks…

Seminars in Politics and Society Delia Baldassarri (New York University)

"Interethnic Relationships in Contemporary Communities: How does diversity affect solidarity and cooperation?" abstract The increasingly multiethnic nature of modern societies has spurred academic interest in the consequences of diversity. Recently, social scientists have linked ethnoracial diversity to undesirable outcomes, most notably, low levels of social capital, civic engagement, and cooperation. In my presentation, I challenge…

Seminars in Economics Avi Goldfarb (Toronto University)

"Exit, Tweets, and Loyalty" abstract Hirschman’s Exit, Voice, and Loyalty highlights the role of “voice” in disciplining firms for low quality. We develop a formal model of voice as a relational contact between firms and consumers and show that voice is more likely to emerge in concentrated markets. We test this model using data on…

Seminars in Politics and Society Hanspeter Kriesi (EUI)

"Old versus new politics: The political spaces in Southern Europe in times of crises" at Campus Luigi Einaudi (classroom E2) abstract The presentation focuses on the party political spaces in four Southern European countries (i.e. Greece, Italy, Portugal, and Spain) since the onset of the Euro crisis. To understand the emerging conflict structures, it argues for…

Seminars in Statistics Maria De Iorio (University College London)

Dependent Generalised Dirichlet Process Priors We propose a novel Bayesian nonparametric process prior for modelling a collections of random discrete distributions. This process is defined by combining a Generalised Dirichlet Process with a suitable Beta regression framework that introduces dependence among the discrete random distributions. This strategy allows for covariate dependent clustering of the observations.…