Business cycles in different industries have a tendency to synchronize with one another in what appears to be a national business cycle. Using simulation and time series techniques in the time and frequency domain, we offer econometric support for the industrial sector mode-locking hypothesis,...

The cyclicality of real wages has important implications for the validity of competing business cycle theories. However, the empirical evidence on the aggregate level is inconclusive. Using a threshold vector autoregressive model for the US and Germany to condition the relationship between real...

The cyclicality of real wages has important implications for the validity of competing business cycle theories. However, the empirical evidence on the aggregate level is inconclusive. Using a threshold vector autoregressive model for the US and Germany to condition the relationship between real...

The literature on endogenous growth cycles predicts countercyclical R&D expenditure. Aggregate R&D expenditure in G7 countries from 1973 to 1997 seems to be procyclical. Implications for future theoretical research are discussed.

The paper analyzes the class specific biological standard of living in the city of Zurich during World War I. We find an increase of aver- age human stature for lower class conscripts born during this period, while the average height of conscripts from the upper and middle class stagnated or...