Recently, Fagiolo et al. (2008) find fat tails of economic growth rates after adjusting for outliers, autocorrelation, and heteroskedasticity. This paper employs US quarterly real output growth, showing that this finding of fat tails may reflect the Great Moderation. That is, leptokurtosis...

This paper develops a general equilibrium model to examine the quantitative effects of speculative bubbles on capital accumulation, growth, and welfare. A near-rational bubble component in the model equity price generates excess volatility in response to observed technology shocks. In...

The growth rate of total factor productivity seems to have increased recently, at least in the United States. Higher US productivity growth may justify higher stock market valuations than in the past and thus herald an emerging New Economy. However, the size of the estimated growth rate of total...

In the present paper it will be shown that in country level economic growth has a positive impact on stock prices in the long run. This study refers annually to the Western Europe, Japan and the United States during the period 1999-2007. Therefore, any factor favoring economic growth should be...