Aggregate Output is a focal point of macroeconomics. In the empirical literature, a number of variables are used as a proxy for aggregate output. In this paper, we compare the temporal behavior of four monthly measures of aggregate output: namely GDP, ICI, IP, and XCI. These four measures of...

We construct an empirical model for daily highs and daily lows of US stock indexes based on the intuition that highs and lows do not drift apart over time. Our empirical results show that daily highs and lows of three main US stock price indexes are cointegrated. Data on openings, closings, and...