Seminars in Economics

Seminars in Economics

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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 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 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 Economics Olivier Tercieux (PSE)

"Efficiency and Stability in Large Matching Markets" Abstract We study efficient and stable mechanisms in many-to-one matching markets when the number of agents is large. We first consider an environment where individuals' preferences are drawn randomly from a class of distributions allowing for both common value and idiosyncratic components. In this context, as the market…

Seminars in Economics Branko Urosevic (University of Belgrade)

"Globalization, Exchange Rate Regimes and Financial Contagion" abstract The crisis of the Euro zone brought to the fore important questions including: what isthe proper level of financial integration and what are the optimal exchange rate arrangements between countries that are part of tightly knit financial networks. Using a simple Diamond-Dybvig-style theoretical model we show that…