Friday, 10 February, 2012

15:00 | Macro Research Seminar

Dr. Jean-Paul L’Huillier: “Consumers' Imperfect Information and Price Rigidities”

Dr. Jean-Paul L’Huillier

Einaudi Institute for Economics and Finance, Italy

Author: Jean-Paul L’Huillier

Abstract: 

This paper develops a model of price rigidities and information diffusion in decentralized markets with private information. First, I provide a strategic microfoundation for price rigidities, by showing that firms are better off delaying the adjustment of prices when they face a high number of uninformed consumers. Second, in an environment where consumers learn from firms' prices, the diffusion of information follows a Bernoulli differential equation. Therefore, learning follows nonlinear dynamics. Third, the price rigidity produces an informational externality that affects welfare. Fourth, the dynamics of output are hump-shaped due to consumer learning.


Full Text: “Consumers' Imperfect Information and Price Rigidities”

16:30 | Applied Micro Research Seminar

Andrea Tesei JOB TALK

Andrea Tesei

Universitat Pompeu Fabra, Barcelona, Spain

Racial Fragmentation, Income Inequality and Social Capital Formation: New Evidence from the US

Abstract: 

Existing studies of social capital formation in US metropolitan areas have found that social capital is lower when there is more income inequality and greater racial fragmentation. I add to this literature by examining the role of income inequality between racial groups (racial income inequality). I find that greater racial inequality reduces social capital. Also, racial fragmentation is no longer a significant determinant of social capital once racial income inequality is accounted for. This result is consistent with a simple conceptual framework where concurrent differences in race and income are especially detrimental for social capital formation. I find empirical support for further implications deriving from this assumption. In particular, I show that racial income inequality has a more detrimental effect in more racially fragmented communities and that trust falls more in minority groups than the majority group when racial income inequality increases.


Full Text: “Racial Fragmentation, Income Inequality and Social Capital Formation: New Evidence from the US”