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Solveig Ahorner

Solveig Ahorner

Entry: 2019

Ruhr Graduate School in Economics
c/o RWI
Hohenzollernstr. 1-3
45128 Essen

Solveig Ahorner joined the Ruhr Graduate School in Economics in October 2019. She obtained her Bachelor's and Master's degree in Mathematics and Economics from TU Dortmund University. During her studies, she worked as a tutor for the Departement of Computer Science and the Faculty of Business and Economics at TU Dortmund University. She also worked as a student trainee at the research departement of Materna Innovation & Communications SE. In her Master's thesis, she modeled and analysed competition in the cryptocurrency market from both a game theoretical and a data scientific point of view. In October 2020 she joined the Chair of Microeconomics and International Economics at the University of Duisburg-Essen as a research assistent for Prof. Dr. Eugen Kovac.


Main fields of interest: Microeconomics, Game Theory, Industrial Organization, Data Science

loannis Arampatzidis

loannis Arampatzidis

Entry: 2019

Ruhr Graduate School in Economics
c/o RWI
Hohenzollernstr. 1-3
45128 Essen 

 

Ioannis Arampatzidis joined the Ruhr Graduate School in Economics in October 2019. He obtained his Bachelor and Master degrees in Economics from University of Macedonia in Greece. During his Master studies he worked as a research and teaching assistant for Prof. Theodore Panagiotidis. In his Master’s thesis, he employed a rolling SVAR model and used an impulse response analysis to examine the relationship between oil and stock markets in a dynamic framework. His main focus is on Energy Economics.

Main fields of interest: Energy Economics, Applied Econometrics, Macroeconomics

Sergey Bechtold

Sergej Bechtoldt

Entry: 2018

Ruhr Graduate School in Economics
c/o RWI
Hohenzollernstr. 1-3
45128 Essen
Tel. +49 201 8149-525
Fax +49 201 8149-500

Sergej Bechtoldt joined the Ruhr Graduate School of Economics in October 2018. He obtained his Bachelor’s and Master’s degrees in Economics from the University of Hamburg. He spent a semester each studying at Charles University in Prague and at the University of Latvia in Riga. During his studies, he was a research intern at the DIW Berlin and the IZA in Bonn. Since October 2019 Sergej works for the Chair of Health Economics of the University of Duisburg-Essen. Currently his research covers the field of macroeconomic fluctuations and health outcomes.

Main fields of interest: Health Economics, Labour Economics, Applied Microeconometrics

Niklas Benner

Niklas Benner

Entry: 2019

Ruhr Graduate School in Economics
c/o RWI
Hohenzollernstr. 1-3
45128 Essen

Niklas Benner joined the Ruhr Graduate School in Economics in October 2019. He obtained his Bachelor’s as well as his Master’s degree in Economics from the University of Giessen. During his studies he worked as a student research assistant for Prof. Peter Tillmann at the Chair of Monetary Economics in Giessen. In his master thesis he measured the disagreement in the speeches of eurozone’s central bankers via NLP-Tools and evaluated its impact of the ECB’s policy efficiency.

Main fields of interest: Monetary Economics, Natural Language Processing, Political Economy

Eyayaw Teka Beze

Eyayaw Teka Beze

Entry: 2019

Ruhr Graduate School in Economics
c/o RWI
Hohenzollernstr. 1-3
45128 Essen

Eyayaw Teka Beze joined the Ruhr Graduate School in Economics in October 2019. He received a bachelor’s degree in economics from Bahir Dar University in Ethiopia, and a master’s degree in development policy from KDI School in South Korea. He worked as graduate assistant (from June 2012-August 2014) and later as lecturer of economics (from December 2015-August 2017) in Jimma University. He subsequently earned a second master’s degree in Comparative Local Development from a consortium of four European universities (iCorvinus University of Budapest, University of Regensburg, University of Trento and University of Ljubljana) and worked as an intern at the Leibniz Institute for East and Southeast European Studies in Regensburg, Germany.  In his first master's thesis, he decomposed economic growth in selected African countries.  His second thesis analyzed the causal relationship between energy consumption and economic growth in east African countries. 

Main fields of interest: Development Economics, Energy Economics, International Trade, Labor Economics, Data Science.

Dejan Dragutinovic

Dejan Dragutinovic

Entry: 2019

Ruhr Graduate School in Economics
c/o RWI
Hohenzollernstr. 1-3
45128 Essen

Dejan Dragutinovic joined Ruhr Graduate School in Economics in October of 2019. Previously, he obtained his BSc  from the University of Belgrade and MSc from the University of Jena. During his studies he worked as a student assistant for Prof. Andreas Freytag (Chair of Economic Policy) who also supervised his master thesis. The thesis examined whether a new constitution, given that it fulfills certain criteria, can serve as a basis for the transition of society from a limited to an open order. Moreover, he has done research on the dynamics of growth, poverty and inequality in different political regimes.

Main fields of interest: Political Economy, Constitutional Economics, Public Economics

Nina Furbach

Nina Furbach

Entry: 2018

Technische Universität Dortmund
Wirtschafts- und Sozialwissenschaftliche Fakultät
Lehrstuhl für Makroökonomie
44221 Dortmund
Tel. +49 231 755-3105

Nina Furbach joined the Ruhr Graduate School in Economics in October 2018. She holds a bachelor’s degree from the University of Heidelberg and a master’s degree from the University of Bonn, both in economics. In her Master thesis, she empirically analyzed the effect of monetary policy on income inequality. She has worked as a student assistant at the Centre for European Economic Research and at the University of Bonn for Moritz Schularick. She further interned at the German Central Bank and completed the ECB’s traineeship program. Since October 2019, Nina is working at the chair of Philip Jung at TU Dortmund.

Main fields of interest: Macroeconomics, Regional Economics, Monetary and Public Economics

Sören Ivens

Sören Ivens

Entry: 2019

Ruhr Graduate School in Economics
c/o RWI
Hohenzollernstr. 1-3
45128 Essen

Soeren Ivens joined the Ruhr Graduate School in Economics in October 2019. He studied Economics at the University of Mannheim and at the NOVA School of Business and Economics in Lisbon with a main emphasis on macroeconomics and economic policies. In his master thesis he focused on the intersection of macroeconomics and finance. In particular, he investigated empirically the bidirectional relationship between the yield curve and macroeconomic factors - like the monetary policy rate or inflation - by applying a latent-factor model. Before joining the Ruhr Graduate School he already worked as a fulltime research assistant at the IfM Bonn and interned at the Deutsche Bank. 

Main fields of interest: Macroeconomics, Labor Economics, Inequality, Public Economics

Roman Klauser

Roman Klauser

Entry: 2019

Ruhr Graduate School in Economics
c/o RWI
Hohenzollernstr. 1-3
45128 Essen

Tel.: +49 (201) 81 49-515
Fax: +49 (201) 81 49-200

Roman Klauser joined the Ruhr Graduate School in Economics in October 2019. He obtained his Bachelor's as well as Master's degree in economics from the Ruhr University Bochum. In his Master thesis he compared the forecasting accuracy of different models for high dimensional realized correlation matrices. During his studies he worked as a student teaching assistant at the Chair of Statistics/Economtrics. Additionaly he also worked as a student assistant for Prof. Dr. Riedel at the Chair of Public Finance and Economic Policy.

Main fields of interest: Applied Econometrics, Microeconometrics, Labor 
Economics, Financial Econometrics 

Philipp Markus

Philipp Markus

Entry: 2018

Ruhr Graduate School in Economics
c/o RWI
Hohenzollernstr. 1-3
45128 Essen
Tel. +49 201 8149-508
Fax +49 201 8149-500

Philipp Markus joined the Ruhr Graduate School in Economics in October 2018. He obtained degrees in Economics from the Rheinische Friedrich-Wilhelms-Universität Bonn (B.Sc.) and the University of Cologne (M.Sc.). In his bachelor thesis supervised by Moritz Schularick, he worked on the tax and labor market policy during the great depression in Germany. In his master thesis supervised by Felix Bierbrauer, he combined a political economy model of special interest politics with a model of optimal income taxation. Since October 2019, Philipp is a research assistant at the chair of Tobias Seidel at the University of Duisburg-Essen.

Main fields of interest: Public Economics, Economics of Inequality, Political Economy, Regional and Urban Economics

Dominik Mark Maxara

Dominik Mark Maxara

Entry: 2019

Ruhr Graduate School in Economics
c/o RWI
Hohenzollernstr. 1-3
45128 Essen

Dominik Maxara joined the Ruhr Graduate School in Economics in October 2019. He obtained his Bachelor and Master in Mathematics and Economics at TU Dortmund University. He focused his studies on Optimization, Industrial Organization and Game Theory. In his master thesis he combined his majors in Mathematics and Economics and analyzed the effects of Robust Optimization in the Stackelberg duopoly under asymmetric information. He showed that the informational disadvantage in this market competition is not necessarily harmful and can result in both contestants increasing their profit. During his courses Dominik Maxara also worked as Graduate Assistance at the chair of Microeconomics run by Prof. Dr. Wolfgang Leininger. 

Main fields of interest: Microeconomics, Industrial Organization, Public Economics, Political Economy

Ralf Metzler

Ralf Metzler

Entry: 2019

Ruhr Graduate School in Economics
c/o RWI
Hohenzollernstr. 1-3
45128 Essen

Ralf Metzler joined the Ruhr Graduate School in Economics in October 2019. He obtained his bachelors’s and master’s degrees in Business Administration from the Mercator School of Management at University of  Duisburg-Essen. His focus lies on risk management in financial institutions and structured finance. In his master’s thesis he studied  how complexity in Asset-Backed Securities relates to the security's ex post performance as well as to the ex ante risk perception of investors. During his studies he also completed several internships in financial  institutions, such as HSBC and Bankhaus Lampe.

Main fields of interest: Risk Management in Financial Institutions, Structured Finance, Financial Econometrics

Philipp Nickol

Philipp Nickol

Entry: 2018

Ruhr Graduate School in Economics
c/o RWI
Hohenzollernstr. 1-3
45128 Essen
Tel. +49 201 8149-520
Fax +49 201 8149-500

Philipp Nickol joined the Ruhr Graduate School in Economics in October 2018. He obtained his Bachelors in Economics and American Studies from the FAU Erlangen-Nuremberg and his Masters in Economics from the University of Bayreuth. During his Master studies, he worked as a student assistant for Prof. Dr. Erik Hornung at the Chair of Quantitative Economic History at the University of Bayreuth, and as an intern and research assistant for Prof. Dr. Christoph Trebesch at the International Finance and Global Governance research unit of the Kiel Institute for the World Economy. In his Master thesis he analyzed the global capital flow cycle over the last 200 years, its region-specific cyclical components, and their co-movement with global and regional push factors.

Main fields of interest: International Finance, Economic History, Macroeconomics

Thilo Reinschüssel

Thilo Reinschlüssel

Entry: 2018

Ruhr Graduate School in Economics
c/o RWI
Hohenzollernstr. 1-3
45128 Essen
Tel. +49 201 8149-514
Fax +49 201 8149-500

Thilo Reinschlüssel joined the Ruhr Graduate School in October 2018. He previously obtained a Bachelor in Economics from the University of Bonn and a Master in Quantitative Economics from CAU Kiel with focus on statistics and empirical economics. In the course of his master thesis, he refined statistical tests for fractional integration in panel data entailing local trends and provided new evidence indicating the existence of long memory in financial time series. He held a tutorial on Introductory Finance for Professor Dr. Sandmann (Bonn) and interned at the Deutsche Bundesbank’s central office. In 2017-2018 he worked as a research assistant in the unit “International Finance and Global Governance” at the Kiel Institute for the World Economy.

Main fields of interest: Nonlinear Time Series Analysis, Panel Econometrics, Statistical Learning, Economic History

David Schulze

David Schulze

Entry: 2019

Ruhr Graduate School in Economics
c/o RWI
Hohenzollernstr. 1-3
45128 Essen

David Schulze joined the Ruhr Graduate School in Economics in October 2019. He completed a Bachelor degree in Economics and a Master in Economics and Management Science at Humboldt-University Berlin. In his Master thesis he investigated regional spillovers and the impact of digitization on Chinese regions. He has altogether spent three years in China, the last one studying Economics at Zhejiang University in Hangzhou. He has worked for two years as a research assistant in the Asia Division at Stiftung Wissenschaft und Politik, the German Institute for International and Security Affairs in Berlin, analyzing the local and transnational economics and politics of digitization in China, among other topics.
 
Main fields of interest: Innovation Economics and Policy, Spatial and Regional Economics, Applied Econometrics

Karolin Süß

Karolin Süß

Entry: 2018

Ruhr Graduate School in Economics
c/o RWI
Hohenzollernstr. 1-3
45128 Essen
Tel. +49 201 8149-523
Fax +49 201 8149-500

Karolin Süß joined the Ruhr Graduate School in Economics in October 2018. She obtained her Master’s degree in Economics and her Bachelor’s degree in Political Science and Economics from the University of Münster. In her Master’s thesis she focused on behavioral economics and analyzed the motives of individuals acting indirectly reciprocal. During her Master’s studies she also worked as a student research assistant for Prof. Johannes Becker at the Institute of Public Economics I. Furthermore, she spent one semester at the Istanbul Kültür University and completed several internships, e.g. at the Friedrich-Ebert-Stiftung, KfW IPEX-Bank and a voluntary service in Brazil.

Main fields of interest: Labor Economics, Applied Microeconometrics, Behavioural Economics,

Patrick Thiel

Patrick Thiel

Ruhr Graduate School in Economics
c/o RWI
Hohenzollernstr. 1-3
45128 Essen

Patrick Thiel joined the Ruhr Graduate School in Economics in October 2019. He studied Economics and Psychology (B.Sc.) at the University of Halle and Economics with focus on policy consulting (M.Sc.) at the Otto-von-Guericke University Magdeburg. During his master studies, he also worked as a student assistant at the Chair of Empirical Economics. Furthermore, he spent one semester abroad at the Georgia College and State University (USA). In his master thesis, he empirically analysed the impact of sports events on the incumbency advantage in mayoral elections.

Main fields of interest: Energy and Environmental Economics, Applied Microeconometrics, Economic History

Lukas Tomberg

Lukas Tomberg

Entry: 2018

Ruhr Graduate School in Economics
c/o RWI
Hohenzollernstr. 1-3
45128 Essen
Tel. +49 201 8149-226
Fax +49 201 8149-500

Lukas Tomberg joined the Ruhr Graduate School in Economics in October 2018. He studied Economics at the University of Cologne (B.Sc.) and at the Ruhr-University Bochum (M.Sc.). In his master thesis he empirically evaluated the Inferred Valuation Method as an alternative to the conventional Contingent Valuation Method to survey stated preferences for public goods. Since October 2015, he is affiliated with the department “Environment and Resources” at the RWI, first as an intern and student assistant and later as a researcher. There he worked on empirical projects in the area of behavioral environmental economics.

Main fields of interest: Applied Econometrics, Energy and Environmental Economics, Stated Preference Methods, Behavioral Economics

 Philip Manuel Waidhas

Philip Manuel Waidhas

Entry: 2019

Ruhr Graduate School in Economics
c/o RWI
Hohenzollernstr. 1-3
45128 Essen

Manuel Waidhas joined the Ruhr Graduate School in Economics in October 2019. He obtained his Bachelor’s and Master’s degrees in Business Mathematics at TU Dortmund University and focused his studies on numerical mathematics and finance. In his Bachelor's thesis supervised by Stefan Turek, he worked on developing numerical algorithms to efficiently approximate distances based on partial differential equations. In his Master's thesis supervised by Peter Posch, he analyzed the ability of neural networks to predict price changes of futures contracts based on forward curves.

Main fields of interest: Financial Economics, Monetary Economics, Machine Learning

Anna Werbeck

Anna Werbeck

Entry: 2018

Ruhr Graduate School in Economics
c/o RWI
Hohenzollernstr. 1-3
45128 Essen
Tel. +49 201 8149-515
Fax +49 201 8149-500

Anna Werbeck joined the Ruhr Graduate School in Economics in October 2018. She studied business administration (B.Sc.) at the University of Münster, veterinary medicine at the University of Veterinary Medicine in Hannover and Economics (M.Sc.) at the Ruhr-University Bochum. During her undergraduate studies she spent one semester abroad at the Corvinus University in Budapest. Over the course of her studies she worked as a research assistant at RUFIS e.V. and RWI. In her master’s thesis she empirically analyzed the hypothesis that private patients experience shorter waiting times compared to statutorily insured patients in a randomized field experiment, showing that the degree of waiting time differences varies between German regions, being more pronounced in regions with overall shorter waiting times.

Main fields of interest: Health Economics