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Seminars in Economics Alberto Manconi (Tilburg University)

"Do Short Sellers Care About Corporate Hedging?" abstract We study the relationship between corporate hedging and short selling, using a novel data set on short sales of US equities over the period 2002-2009, and hand-collected data on corporate hedging. We document that hedging is associated with lower uncertainty, i.e., lower analyst forecast dispersion and greater breadth of ownership. This should…

Seminars in Politics and Society Emmanuele Pavolini (Università di Macerata)

"Child care in Italy: are there social class differences in the access to services?" abstract Child care has become increasingly central in the debate about the transformation and the recalibration of the welfare state. If the welfare state debate until the 1990s was mainly centered around policy fields such as pensions and unemployment benefits (Esping-Andersen,…

Seminars in Economics of Innovation and Knowledge Nicoletta Corrocher (Università Bocconi)

"Innovation and stringency of environmental regulation in waste management: a patent-based analysis" abstract This work aims at empirically testing the (narrow version of the) Porter hypothesis, by analyzing the relationshipbetween stringency of environmental regulation and innovation in a cross-country setting (EU countries) with reference to waste management, which is an increasingly important issue in the EU environmental policy agenda. To address thisquestion, patent applications from the waste management category of the WIPO…

Seminars in Economics Ulrich Doraszelski (Wharton)

"Measuring the Bias of Technological Change" Abstract When technological change occurs, it can increase the productivity of capital, labor,and the other factors of production in equal terms or it can be biased towards a specificfactor. Whether technological change favors some factors of production over othersis an empirical question that is central to economics. The literatures…

Seminars in Statistics Stephan Poppe (University of Leipzig)

Species Sampling Processes: predicting the unpredictable and estimating measures of diversity The sampling of species problem relates to the issue of how to infer the relative species abundances from finite data, when many species occurring in the population are not present in the sample. Although these abundances can be seen to be the ultimate measure…

Seminars in Politics and Society Michael Jones Correa (Cornell University)

"Is America Going to Become Less Conservative?:  Immigrants, Place of Settlement and Partisan Acquisition." Abstract As Latinos become the largest ethnic minority in the United States, commentators have argued that their presence will eventually shift the partisan composition of even the most conservative states.  Will it?  There are competing research findings on mobility and partisanship.  One strand suggests…

Seminars in Economics Marzena Rostek (University of Wisconsin-Madison)

"Decentralized Exchange" abstract This paper develops an equilibrium model of decentralized trading which accommodatesany coexisting exchanges, including networks and more general, common market structuresrepresented by hypergraphs. The model allows for any number of strategic traders and multipledivisible assets. We characterize equilibrium and welfare, and develop comparative statics withrespect to preferences, assets and market structures. Asset…

Seminars in Politics and Society Roberto Franzosi (Emory University)

"What Things Can We Do with Words? Answers from Italian Fascism (1919–1922) and Georgia Lynchings (1875–1930)" abstract The talk illustrates a quantitative social science approach to texts developed by the author, Quantitative Narrative Analysis (QNA). QNA relies on computer-assisted story grammars to analyze narrative, where a story grammar is the simple Subject-Verb-Object (SVO) structure. In…

Seminars in Politics and Society Costanzo Ranci (Politecnico di Milano)

"The changing political economy of  self-employment in Italy" abstract This presentation is based on a research on self-employment carried out in 2010-12 in Italy, and published in a book in 2012 (C. Ranci, (ed.) Partite Iva. Il lavoro autonomo nella crisi italiana, Il Mulino, 2012). The research was focused on a general reconstruction of the…

Seminars in Economics of Innovation and Knowledge Mario Pianta (Università di Urbino)

"Profits, R&D and innovation. A model and a test" abstract Abstract:In this article we investigate – both conceptually and empirically – the relationships between three interconnected elements of the Schumpeterian “engine of progress”: the ability of industries’ R&D efforts to turn out successful innovations; the ability of innovations to lead to high entrepreneurial profits; the…

Monday Lunch Seminars Dino Gerardi

"A Theory of Slow Trading in Bargaining" AbstractA seller dynamically sells a divisible good to a buyer. It is common knowledge that there are gains from trade and that the gains per-unit are decreasing. Payoffs are interdependent as in Akerlof’'s market for lemons. The seller is informed about the good’s quality. The buyer learns about it only through…