Two investment anomalies in aggregate home-production models are investigated: excess volatility and comovement. Adjustment cost in capital accumulation reduces both volatility and the negative correlation in investments on capital goods in the market and at home. Investments comove to the...

Subsistence farmers in low income countries are confronted with multiple risks. Hence, small scale farmers have developed several strategies to cope with weather related risks in order to self-insure against weather risks. Recent developments on global food markets have increased food price...

Grundlagen und Veränderungen im Strommarkt 2.0 -- Ansätze der simultanen Losgrößen- und Reihenfolgeplanung -- Mathematische Optimierungsmodelle zur energieorientierten Losgrößen- und Reihenfolgeplanung -- Fallstudienbasierte Anwendung und Validierung.

We lay out an empirical and a theoretical model to analyze the effects of non-fundamental exchange rate volatility on economic activity and welfare. In the first part of the paper, the GARCH-SVARmodel is applied to measure empirically the effect of the conditional exogenous exchange rate...