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Job Market Seminars Elisabeth Proehl (Université de Geneve)

"Approximating Equilibria with Ex-Post Heterogeneity and Aggregate Risk" Job Market paper abstract Dynamic stochastic general equilibrium models with ex-post heterogeneity due to idiosyncratic risk have to be solved numerically. This is a nontrivial task as the cross-sectional distribution of endogenous variables becomes an element of the state space due to aggregate risk. Existing global solution…

Seminars in Economics Laura Grigolon (McMaster University)

"Blurred boundaries: a flexible approach for segmentation applied to the car market" Abstract Prominent features of differentiated product markets are segmentation and product proliferation that blurs the boundaries between segments. I develop a tractable demand model, the Ordered Nested Logit, which allows for overlap between neighboring segments. I apply the model to the automobile market…

Occasional Seminars Neil Gandal (Tel Aviv University)

"Network-Mediated Knowledge Spillovers: A Cross-Country Comparative Analysis of Information Security Innovations" Abstract A large and growing literature has used patent and patent citation data to measure knowledge spillovers across inventions and organizations, but relatively few papers in this literature have explicitly considered the collaboration networks formed by inventors as a mechanism for shaping and transmitting…

Seminars in Statistics Fabrizio Leisen (University of Kent)

Compound Random Measures Compound Random Measures (CoRM's) have been recently introduced by Griffin and Leisen (2017) and represent a general and tractable class of vectors of Completely Random Measures.  This talk aims to provide an overview about CoRM's by illustrating some recent developments about their use in Bayesian nonparametrics.

Seminars in Politics and Society Simona Guerra (University of Leicester)

"Public Euroscepticism after the 2016 British referendum: Unleashing emotion" abstract What is Euroscepticism? This presentation will explore how the study of public Euroscepticism has changed since the EU fifth enlargement (2004-07) and the recent British referendum. It is widely accepted that social learning, interaction and political communication have a significant impact on individual political opinions…

Job Market Seminars Arjada Bardhi (Northwestern University)

"Optimal Discovery and Influence through Selective Sampling" abstract Most decisions – from a job seeker appraising a job offer to a policymaker assessinga novel social program – involve the consideration of numerous attributes of an objectof interest. This paper studies the optimal evaluation of a complex project of uncertainquality by sampling a limited number of…

Job Market Seminars Arnaud Philippe (Toulouse School of Economics)

"Incarcerate one to calm the others?Spillover effects of incarceration among criminal groups" Job Market paper abstract Abstract: What is the effect of incarcerating one member of a group on her criminalpartners? I answer this question using administrative data on all convictions in France between2003 and 2012. I exploit past joint convictions to identify 34,000 groups.…

Job Market Seminars Giovanni Nicolò (UCLA)

"Monetary Policy, Expectations and Business Cycles in the U.S. Post-War Period" Job Market Paper Abstract This paper examines the interactions between monetary policy and the formation of expectations to explain U.S. business cycle fluctuations in the post-war period. I estimate a conventional medium-scale New-Keynesian model, in which I relax the assumption that the central pursued…

Seminars in Statistics Davide La Vecchia (University of Geneva)

Saddlepoint techniques for dependent data Saddlepoint techniques provide numerically accurate, higher-order, small sample approximations to the distribution of estimators and test statistics. While a rich theory is available for saddlepoint techniques in the case of independently and identically distributed observations, only a few results have been obtained for dependent data. In this talk, we explain…

Job Market Seminars Tommaso Sonno (LSE)

"Globalisation and conflicts: the good, the bad, and the ugly of corporations in Africa" Job Market Seminar abstract Using georeferenced data on the affiliates and headquarters of multinational enterprises together with georeferenced conflict data, this work is the first to establish a causal link between the activities of multinational enterprises and violence. The results indicate…

Monday Lunch Seminars Albin Erlanson (Stockholm School of Economics)

"Costly Verification in Collective decisions" Abstract We study how a principal should optimally choose between implementing a new policy and maintaining the status quo when the information relevant for the decision is privately held by agents. Agents are  strategic in revealing their information, but the principal can verify an agent's information at a given cost.…

Seminars in Statistics John Armstrong (King’s College London)

Stochastic Differential Equations as Jets We explain how Ito Stochastic Differential Equations (SDEs) on manifolds may be defined using 2-jets of smooth functions. We show how this relationship can be interpreted in terms of a convergent numerical scheme. We show how jets can be used to derive graphical representations of Ito SDEs and how jets…

Seminars in Economics Francesco Sangiorgi (Frankfurt School)

"Why is capital slow moving? Liquidity hysteresis and the dynamics of limited arbitrage" Abstract Will arbitrage capital flow into a market experiencing a liquidity shock, mitigating the adverse effect of the shock on liquidity? Using a stochastic dynamic model of equilibrium pricing with privately informed capital-constrained arbitrageurs, we show that arbitrage capital may actually flow…