NBER WORKING PAPER SERIES BUBBLES, CRISES, AND HETEROGENEOUS BELIEFS
Wei Xiong Working Paper 18905 http://www.nber.org/papers/w1 Page 1 NBER WORKING …

Has rising import competition contributed to the polarization of US politics? Analyzing
multiple measures of political expression and results of congressional and presidential …

We use individual and aggregate data to ask how the Internet is changing the ideological
segregation of the American electorate. Focusing on online news consumption, offline news …

Are the attitudes and beliefs of chief executive officers (CEOs) linked to their firms' innovative
performance? This paper uses a measure of overconfidence, based on CEO stock-option …

We provide an overview of recent research on belief and opinion dynamics in social
networks. We discuss both Bayesian and non-Bayesian models of social learning and focus …

Abstract Ideas are strangely absent from modern models of political economy. In most
prevailing theories of policy choice, the dominant role is instead played by “vested interests” …

The theory of learning in games explores how, which, and what kind of equilibria might arise
as a consequence of a long-run nonequilibrium process of learning, adaptation, and/or …

High-profile political endorsements by scientific publications have become common in
recent years, raising concerns about backlash against the endorsing organizations and …

Some booms in housing prices are followed by busts. Others are not. It is generally difficult
to find observable fundamentals that are useful for predicting whether a boom will turn into a …

We present a model of online content sharing where agents sequentially observe an article
and decide whether to share it with others. This content may or may not contain …