In 2009, Germany invested 15.4 Billion Euro in infrastructure to avert the looming recession. In this study, we evaluate whether the German stimulus program was successful in limiting the impact of the crisis on the job market. We exploit exogenous cross-sectional variation to identify the...

Wenn die Gelder der öffentlichen Hand knapp werden, stehen häufig private Investitionsmittel zur Diskussion. Oft wird der Anschein erweckt, dass durch Sonderfinanzierungen (z.B. Leasing oder Konzessionsmodelle) die Beschränkung knapper Kassen aufgehoben werden könne. Diese Abhandlung...

The paper bases itself on recent theoretical writings in growth economics that empha-size the effects of both own R&D efforts and of interregional technology spillovers on regions´ productivity. We propose robust estimation techniques to evaluate the R&D spillovers across West German functional...

Inventory fluctuations are an important phenomenon in business cycles. However, the preliminary data on inventory investment as published in the German national accounts are tremendously prone to revision and therefore ill-equipped to diagnose the current stance of the inventory cycle. The Ifo...

We analyze four economic sentiment indicators for the German economy regarding their ability to forecast economic activity. Using cross correlations and Granger causality tests we find that the ifo business expectations (ifo), the Purchasing Managers Index (PMI) and the ZEW Indicator of Economic...

The economic forecasts for Germany in the period 2001 to 2003 grossly missed reality. Forecasters estimated an average annual growth rate of 1.6 per cent, but real GDP actually grew by only 0.3 per cent per annum. In 2003 the real GDP in Germany even shrank by 0.1 per cent. Forecasters tend to...

The paper proposes an econometric approach for quantifying jointly the geographical scope of commuting as well as the various forms of agglomeration economies originating from metropolitan centers. Adopting an urban economics perspective, and using land prices to measure their aggregate effects,...