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Acknowledgments The authors would like to thank Klaus Moeltner, Marc Nerlove, Michael Pfaffermayr, two anonymous referees and seminar participants at the Universities of Innsbruck, Maryland and Nevada
Acknowledgments
The authors would like to thank Klaus Moeltner, Marc Nerlove, Michael Pfaffermayr, two anonymous referees and seminar participants at the Universities of Innsbruck, Maryland and Nevada (Reno) for helpful comments and valuable discussions.