Research Interests

I am fascinated by the questions of why some countries are rich and others poor. What can we do to improve the well-being of people in developing countries and how can we sustain growth in developed economies? How can we share prosperity across different layers of society? These are the questions that motivated me to study Economic Growth and Innovation.

The central determinant of modern societies’ economic growth is technological progress fueled by basic research conducted at institutions such as Universities and Research Institutes. One part of my research analyzes how basic research interacts with private R&D-investments and how basic research should be optimally financed. I also address the questions of how much a country should invest in basic research depending on its openness to foreign direct investment and its distance to the world’s technological frontier.


Another part of my research addresses recent policy discussions at the intersections of Macroeconomics with Health Economics, with International Economics and with Environmental Economics. This includes the consequences of increased health expenditures and demographic change on economic growth and welfare, the incentives of developing countries to enforce intellectual property rights, and the interaction  of intra-family decision making with human capital accumulation and public education policy. Furthermore, I examine the inter-generational distribution of costs and benefits of public good provision with long-run impact, such as public infrastructure or the mitigation of climate change.

While desirable to be implemented, economic policies leading to high levels of welfare may not be able to gather sufficient political support. It is therefore paramount to understand how political institutions work, how they shape economic policy and how we can design better political institutions.

These questions inspire my research in Political Economy. In particular, I analyze how legislative lobbying and the strengths of interest groups affect public policy and how the level of public good provision, tax rates and welfare in parliamentary democracies would be affected if political parties could credibly commit to some of their campaign promises, in particular on the level of tax rates, but not on others, such as spending on "pork barrel projects". In recent and very topical work, I am interested in the incentives of individuals who differ in honesty (regarding election campaign promises) to self-select into politics and how these self-selection incentives depend on the transparency of the political institutions.

In summary, my research interests are in

  • Dynamic Macroeconomics / Economic Growth

  • Political Economy

  • Public Finance

  • International Economics


Honesty and Self-Selection into Cheap Talk

(with Sebastian Fehrler and Urs Fischbacher), The Economic Journal, forthcoming

We examine the incentives of individuals who differ in their honesty regarding election campaign promises to self-select into politics and how these self-selection incentives depend on the transparency of the entry process. We set up a theoretical model of political competition and test its key mechanisms in the lab. We find that when the political entry process (e.g. party nomination or primaries) is relatively opaque, less honest individuals have higher incentives to stand for election. This adverse selection effect is not present when the selection at the entry stage is transparent to voters.

Taxation, Innovation and Entrepreneurship

(with Hans Gersbach and Ulrich Schetter) The Economic Journal, 129, pp. 1731 - 1781, 2019

We examine how public basic research investments should be financed optimally and under which conditions such policies will be politically viable.

Coalition-Preclusion Contracts and Moderate Policies 

(with Hans Gersbach and Oriol Tejada), Games and Economic Behavior, 114, pp. 28 - 46, 2019

We study how policy outcomes and welfare would be affected if parties in a parliamentary democracy could credibly commit before the election not to form a coalition after the election with one or several other parties

On the Global Supply of Basic Research

(with Hans Gersbach) Journal of Monetary Economics, 75, pp. 123 - 137, 2015

We study countries' incentives to invest in basic research depending on market size and the level of human capital. We explain why small countries' may over-invest in basic research and provide a justification for stronger international coordination of basic research policy.

Endogenous Enforcement of Intellectual Property Rights, North-South Trade and Growth

(with Andreas Schäfer) Macroeconomic Dynamics, 19 (5), pp 1074-1115, 2015

We characterize the incentives of developing and developed countries to enforce IPR depending on market size and technological capacities and explain why observed IPR enforcement can substantially differ from a country's preferred IPR enforcement level at the global scale.

Interest Group Size and Legislative Lobbying

Journal of Economic Behavior & Organization, 106, pp 29-41, 2014

This paper characterizes how policy outcomes depend on interest group size in legislative lobbying. We find a non-monotone relation, providing a rationale why some interests do not fully organize. we also discuss the social desirability of spending limits.

Basic Research, Openness and Convergence

(with Hans Gersbach and Olivier Schneller) Journal of Economic Growth, 18 (1), pp 33-68, 2013

We study how much countries should invest in basic research depending on their openness to foreign direct investment and their distance to the world's technological frontier.

Trading-off Generations: Equity, Discounting, and Climate Change

(with Christian Traeger and Ralph Winkler) European Economic Review, 56 (8), pp 1621-1644, 2012

We analyze the implications of the standard workhorse models in dynamic economic theory with respect to their intergenerational trade-offs and draw implications for the optimal provision of public goods. We also relate our results to the recent debate on climate change mitigation.

Tax Contracts and Elections

(with Hans Gersbach) European Economic Review 56 (7), pp 1461-1479, 2012

This paper examines how election outcomes and welfare would be affected if, before the election, political parties can commit to their campaign promises regarding tax rates, but not regarding public good provision and the level of perks.

Tax Contracts and Government Formation

(with Hans Gersbach) Mathematical Social Science 64 (2), pp. 173-192, 2012

We study how coalition bargaining after elections and policy outcomes would be affected if political parties can commit to their campaign promises before the election regarding tax rates, but not with respect to public good provision and the level of perks.

Raising Juveniles

(with Clive Bell and Hans Gersbach) Games and Economic Behavior 74, pp. 32-51, 2012

We examine how intra-family decision making affects education choices and consequently aggregate human capital accumulation. We also discuss policy measures such as compulsory schooling and bans on child labor.

Innovation Process ‘Fuel Cell Vehicle’: What Strategy Promises to be Most Successful?

(with Burkhard Schade and Hariolf Grupp) Technology Analysis & Strategic Management 16(2), pp. 147–172, 2004

This paper examines the introduction of Fuel Cell Vehicles and what strategies promise to be most successful for companies in launching innovative products in markets with network effects.

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Revise and Resubmit

Buying Supermajorities in the Lab

(with Sebastian Fehrler), Revision requested by Games and Economic Behaviour

We provide the first empirical assessment of the prominent legislative lobbying model by Groseclose and Snyder (1996) by testing its central predictions in the laboratory. We also test the model's robustness by relaxing the assumption of sequential moves in additional treatments with simultaneous moves. We fi nd that lobbies buy supermajorities as predicted by the theory. Our results also provide supporting evidence for most comparative statics predictions of the legislative lobbying model with respect to lobbies' willingness to pay and legislators' preferences.
Some of these results carry over to the simultaneous-move set-up but the predictive power
of the model declines.

Growth and Welfare under Endogenous Lifetime

(with Ralph Winkler) Revision requested by Scandinavian Journal of Economics

We analyze the consequences of healthcare investments prolonging individuals' lives on economic growth and welfare. We argue that individual healthcare choices are typically inefficient and discuss the implications of our results for the debate on new welfare measures beyond GDP.

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Discussion Papers

Who Writes the Bill? The Role of the Agenda-Setter in Legislative Lobbying

We study how policy outcomes depend on lobby influence when the policy proposal is drafted and show how the incentives of the agenda setter depend on institutional details and the salience of the issue.

How Much Science? The 5 Ws (and one H) of Investing in Basic Research

(with Hans Gersbach and Ulrich Schetter)

We survey the literature on public policy regarding basic research investments. We offer new data and evidence on the linkages between basic research, key economic variables and economic growth and propose a new approach to guide basic research policy.

Optimal Mix of Applied and Basic Research, Distance to Frontier, and Openness

(with Hans Gersbach and Olivier Schneller)

We characterize the optimal relation between public basic research investments and applied research and development investments by private firms and discuss how this relation depends on a country's openness and distance to the world's technological frontier.

How Can Democracy Cope with Extreme Views?

(with Hans Gersbach and Oriol Tejada)

We investigate how democracy can cope with extreme views held by a minority of citizens. We argue that extreme policy shifts may be prevented if parties can credibly commit to precluding a coalition with an extremist party after an election. We characterise the general conditions under which such 'Coalition-Preclusion Promises' lead to welfare improvements.  

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"Every Science Begins as Philosophy and Ends as Art"

Will Durant

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