Working Papers (unpublished)

Lehmann, R. and T. Wollmershäuser (2019). The Macroeconomic Projections of the German Government: A Comparison to an

Independent Forecasting Institution. CESifo Working Paper No. 7460, Status: Submitted. RePEc Link


Grimme, Chr., Lehmann, R. and M. Noeller (2018). Forecasting Imports with Information from Abroad.

CESifo Working Paper No. 7079, Status: Submitted. RePEc Link


Frei, X., Langer, S., Lehmann, R. and F. Roesel (2017). Electoral Externalities in Federations - Evidence from German Opinion Polls.

CESifo Working Paper No. 6375, Status: Revise and Resubmit Kyklos. RePEc Link


Lehmann, R. (2015). Survey-based indicators vs. hard data: What improves export forecasts in Europe?

ifo Working Paper No. 196, Status: Submitted. RePEc Link

Papers in Preparation (mimeo)

Business Cycle Volatility of the German 'Mittelstand' (together with M. Berlemann and V. Jahn).


Economic Forecasting and Spatial Effects: An Assessment for German Districts (together with J. A. Nauerth).


Forecasting Labor Productivity: A New Measure Based on Business Survey Results (together with A. Reuter and T. Wollmershäuser).


Spillover Effects of ICT Productivity Shocks (together with St. Elstner, Chr. Grimme and V. Kecht).