Nowadays more than half of all Germans (52.6%) inform themselves about health topics online. It is expected that in 2011 every third mobile phone sold will be a smartphone. At the moment there are more than 300,000 applications available since the introduction of the Apple online store in July 2008;...

Nowadays more than half of all Germans (52.6%) inform themselves about health topics online. It is expected that in 2011 every third mobile phone sold will be a smartphone. At the moment there are more than 300,000 applications available since the introduction of the Apple online store in July 2008;...

We present a stock market model that quantitatively replicates the joint behavior of stock prices, trading volume and investor expectations. Stock prices in the model occasionally display belief-driven boom and bust cycles that delink asset prices from fundamentals and redistribute considerable...

We present a simple model that quantitatively replicates the behavior of stock prices and business cycles in the United States. The business cycle model is standard, except that it features extrapolative belief formation in the stock market, in line with the available survey evidence....

This paper incorporates a bubble term in the standard FTPL equation to explain why countries with persistently negative primary surpluses can have a positively valued currency and low inflation. It also provides an example with closed-form solutions in which idiosyncratic risk on capital...

The price of a safe asset reflects not only the expected discounted future cash flows but also future service flows, since retrading allows partial insurance of idiosyncratic risk in an incomplete markets setting. This lowers the issuers' interest burden and allows the government to run a...

We present a unified and quantitatively credible explanation for the joint behavior of stock prices and business cycles. We consider a frictionless production economy with time-separable consumption preferences and perfectly áexible labor supply. Investors extrapolate past stock price gains but...

We present a stock market model that quantitatively replicates the joint behavior of stock prices, trading volume and investor expectations. Stock prices in the model occasionally display belief-driven boom and bust cycles that delink asset prices from fundamentals and redistribute considerable...