Research Bubbles
56 Pages Posted: 13 May 2020
Hans Gersbach
ETH Zurich - CER-ETH -Center of Economic Research; IZA Institute of Labor Economics; CESifo (Center for Economic Studies and Ifo Institute); Centre for Economic Policy Research (CEPR); ETH Zürich
Evgenij Komarov
ETH Zürich
Date Written: April 1, 2020
Abstract
We develop a model to rationalize and examine so-called “research bubbles”, i.e. research activities based on overoptimistic beliefs about the impact of this research on the economy. Research bubbles occur when researchers selfselect into research activities and the government aggregates the assessment of active researchers on the way advances in research may spur innovation and growth. In an overlapping generations framework, we study the occurrence of research bubbles and show that they tend to be welfare-improving. Particular forms can even implement the socially optimal solution. However, research bubbles can collapse, and we discuss institutional devices and the role of debt financing that ensure the sustainability of such bubbles. Finally, we demonstrate that research bubbles emerge in various extensions of our baseline model.
Keywords: Endogenous Growth, Basic Research, Macro-Based Behavioral Economics
JEL Classification: E02, E71, O32, O41
Suggested Citation: Suggested Citation
Hans Gersbach (Contact Author)
ETH Zurich - CER-ETH -Center of Economic Research ( email )
Zürichbergstrasse 18
Zurich, 8092
Switzerland
+41 44 632 82 80 (Phone)
+41 44 632 18 30 (Fax)
Centre for Economic Policy Research (CEPR)
London
United Kingdom
ETH Zürich ( email )
Zürichbergstrasse 18
8092 Zurich, CH-1015
Switzerland
Evgenij Komarov
ETH Zürich
Rämistrasse 101
ZUE F7
Zürich, 8092
Switzerland
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