team

E-Finance Lab Team

Dr. Dr. (UA) Tanja Stepanchuk

Organizations:

  • E-Finance Lab
  • Professur für BWL, insb. Electronic Commerce

Projects:

  • Search Engine Marketing
  • E-Finance Lab - Layer 3

Homepage: http://www.ecommerce.wiwi.uni-frankfurt.de/stepanchuk/

Publications | Presentations

Publications:

2010

Schlereth, C.; Stepanchuk, T.; Skiera, B. (2010)

Optimization and Analysis of the Profitability of Tariff Structures with Two-Part Tariffs

In: European Journal of Operational Research EJOR; 206 (3), 691-701

Category: Publications in scientific journals

Reference No.: 2010-1642

2009

Gerstmeier, E.; Skiera, B.; Stepanchuk, T. (2009)

An Analysis of the Profitability of Different Bidding Heuristics in Search Engine Marketing

In: workingpaper

Category: Miscellaneous

Reference No.: 2009-1541

2008

Skiera, B.; Stepanchuk, T.; Gerstmeier, E. (2008)

Suchmaschinenmarketing

In: Die Betriebswirtschaft (DBW), Vol.68, 113-118

Category: Publications in scientific journals

Reference No.: 2008-1313

Skiera, B.; Stepanchuk, T. (2008)

Suchmaschinenmarketing

In: Absatzwirtschaft. Zeitschrift für Marketing

Category: Publications in journals

Reference No.: 2008-1312

Skiera, B.; Stepanchuk, T.; Gerstmeier, E. (2008)

Suchmaschinenmarketing: Profitabel Kunden gewinnen

In: Absatzwirtschaft. Zeitschrift für Marketing, Vol.51, 154-156

Category: Publications in journals

Reference No.: 2008-1311

Skiera, B.; Gerstmeier, E.; Stepanchuk, T. (2008)

Suchmaschinenmarketing: Rentable Wortwahl

In: Absatzwirtschaft 51, Sonderausgabe zum Deutschen Marketing-Tag 2008, 154-156

Category: Publications in journals

Reference No.: 2008-1281

Skiera, B.; Gerstmeier, E.; Stepanchuk, T. (2008)

Erfolgsstrategien für das Suchmaschinenmarketing

In: Wirtschaft und Berufserziehung 11/08, 28-32

Category: Publications in journals

Reference No.: 2008-1280

Skiera, B.; Gerstmeier, E.; Stepanchuk, T.; Ziesche, J. (2008)

Suchmaschinenmarketing: Profitable Kampagnensteuerung

In: BankPraktiker 4(3) März, S. 138-142

Category: Publications in journals [Password Protected Download] (Please contact the author) [Find it]

Reference No.: 2008-836

Skiera, B.; Gerstmeier, E.; Stepanchuk, T. (2008)

Stichwort Suchmaschinenmarketing

In: Die Betriebswirtschaft 1/2008, Vol. 68, 113-118

Category: Publications in scientific journals

Reference No.: 2008-574

2007

Skiera, B.; Stepanchuk, T.; Gerstmeier, E. (2007)

Why Paying for Performance easily Lowers Profit in Search Engine Marketing

In: INFORMS Marketing Science Conference; Singapore

Category: Proceedings

Reference No.: 2007-872

Skiera, B.; Gerstmeier, E.; Stepanchuk, T. (2007)

Suchmaschinenmarketing

In: Bauer, H. H. / Große-Leege, D. / Rösger, J. (Hrsg.), "Interactive Marketing im Web 2.0 +"; München, 283-294.

Category: Chapter in book

Reference No.: 2007-839

Skiera, B.; Gerstmeier, E.; Stepanchuk, T.; Pfaff, D. (2007)

Potenziale für Unternehmen im Suchmaschinenmarketing

In: USP – Menschen im Marketing, 3/2007, S. 24-25.

Category: Publications in journals

Reference No.: 2007-832

Skiera, B.; Gerstmeier, E.; Stepanchuk, T. (2007)

Optimale Positionierung von Suchwortanzeigen

In: Schwarz, T. (Hrsg.), "Leitfaden Online-Marketing", S. 338-343.

Category: Chapter in book

Reference No.: 2007-666

Stepanchuk, T.; Skiera, B.; Gerstmeier, E. (2007)

A Critical Examination of Performance-Based Compensation Practices in Search Engine Marketing

In: EMAC Conference 2007; Reykjavík, Iceland

Category: Proceedings

Reference No.: 2007-575

Skiera, B.; Gerstmeier, E.; Stepanchuk, T. (2007)

Erfolge kalkulieren

In: Managementkompass Suchmaschinenmarketing im B-to-B

Category: Publications in scientific journals

Reference No.: 2007-573

Skiera, B.; Stepanchuk, T.; Gerstmeier, E. (2007)

How Deviations from the Optimal Bidding Strategy Influence Profit in Paid Search

In: EMAC Conference 2007; Reykjavík, Iceland

Category: Proceedings

Reference No.: 2007-572

Skiera, B.; Gerstmeier, E.; Stepanchuk, T. (2007)

Profitable Search Engine Marketing For Financial Services

In: EFL Quarterly 02/2007

Category: Other publications

Reference No.: 2007-571

2005

Kiseleva, E.; Stepanchuk, T. (2005)

Solution the One Class of the Group Choice Problems Using the Optimal Set Partitioning

In: Operations Research 2005; Bremen, 132

Category: Proceedings

Reference No.: 2005-351

Stepanchuk, T.; Khaykin, P. (2005)

Scoring Systems in Medicine: Prediction the Cource of Hepatitis

In: Operations Research 2005; Bremen, 123

Category: Proceedings

Reference No.: 2005-350

2004

Boyzun, N.; Kiseleva, E.; Stepanchuk, T. (2004)

Simulation the Optimal Investment Portfolio via the H. Markovitz Approach

Category: Miscellaneous

Reference No.: 2004-238

Stepanchuk, T.; Kiseleva, E. (2004)

Simulation the Optimal Investment Portfolio by the Capital Asests Valuation Method

Category: Miscellaneous

Reference No.: 2004-237

Stepanchuk, T.; Kiseleva, E.; Pritomanova, O. (2004)

Simulation the Bank Credit Risk Using the Neirofuzzy Technique

Category: Miscellaneous

Reference No.: 2004-236

Stepanchuk, T.; Kiseleva, E.; Stroeva, V. (2004)

Solving the Two Dimensional Global Optimization Problem Using the Optimal Set Partitioning Method

In: Applied Mathematics and Mathematical Modelling Issues (Voprosi prikladnoi matematiki i matematicheskogo modelirovanija), 160-172

Category: Publications in scientific journals

Reference No.: 2004-235

Stepanchuk, T.; Kiseleva, E.; Stroeva, V. (2004)

The Optimal Conditions for the Optimal Set Partitioning Problem in Terms the Sets Function Theory

In: Applied Mathematics and Mathematical Modelling Issues (Voprosi prikladnoi matematiki i matematicheskogo modelirovanija), 110-117

Category: Publications in scientific journals

Reference No.: 2004-234

2003

Stepanchuk, T.; Kiseleva, E. (2003)

Solution the Optimal Set Partitioning Problem as a Problem of Minimization the Sets Function

In: 18th International Symposium on Mathematical Programming; Copenhagen, 159

Category: Proceedings

Reference No.: 2003-222

Kiseleva, E.; Stepanchuk, T. (2003)

On the Efficiency of a Global Non-differentiable Optimization Algorithm Based on the Method of Optimal Set Partitioning

In: Journal of Global Optimization 25: 29-235

Category: Publications in scientific journals

Reference No.: 2003-221

2002

Stepanchuk, T. (2002)

Algorithms for Solving Some Classes of Optimization Problems that are Reduced to the Optimal Set Partitioning Problems

Category: Dissertation thesis

Reference No.: 2002-135

Stepanchuk, T. (2002)

Reduction the Problem of Construction the Optimal Quadrature to the Optimal Set Partitioning Problem

In: Applied Mathematics and Mathematical Modelling Issues (Voprosi prikladnoi matematiki i matematicheskogo modelirovanija), 166-170

Category: Publications in scientific journals

Reference No.: 2002-134

Kiseleva, E.; Stepanchuk, T. (2002)

Search for the Global Minimum of a Nondifferentiable Function by the Method of Optimal Set Partitioning

In: Journal of Automation and Information Sciencies 34: 36-49

Category: Publications in scientific journals

Reference No.: 2002-133

Kiseleva, E.; Stepanchuk, T. (2002)

On the Choice of Optimal Coefficients and Optimal Nodes of the Quadrature Formulae for Functional Classes Given by Quasimetrics

In: Journal of Automation and Information Sciencies 34: 57-67

Category: Publications in scientific journals

Reference No.: 2002-132

2001

Kiseleva, E.; Stepanchuk, T. (2001)

Application the Optimal Set Partitioning Method to the Global Optimization Problem of Three Variable Function

In: Operations Research 2001; Rotterdam, 143

Category: Proceedings

Reference No.: 2001-94

Stepanchuk, T. (2001)

About the Type of the Penalty Function in the Global Optimization Problem Based on the Optimal Set Partitioning

In: Dynamic Systems (Dinamicheskie systemi) 17: 215-222

Category: Publications in scientific journals

Reference No.: 2001-93

Kiseleva, E.; Boyko, N.; Stepanchuk, T. (2001)

Application the Optimal Set Partitioning Methods to Solving One Class of the Group Choice Problems

In: Applied Mathematics and Mathematical Modelling Issues (Voprosi prikladnoi matematiki i matematicheskogo modelirovanija), 40-47

Category: Publications in scientific journals

Reference No.: 2001-92

2000

Kiseleva, E.; Stepanchuk, T. (2000)

The Algorithm of Global Optimization Based on Partitioning the Admissible Domain at the Local Minima Attraction Spheres

In: 17th International Symposium on Mathematical Programming; Atlanta, 132

Category: Proceedings

Reference No.: 2000-84

Presentations:

2008

July

Stepanchuk, T.; Gerstmeier, E.; Skiera, B.

Why Performance Based Compensation Plans Lower Profit in Search Engine Marketing

In: Workshop on Adauctions (ACM Electronic Commerce Conference); Chicago, USA

July

Stepanchuk, T.; Gerstmeier, E.; Skiera, B.

Why Performance Incentive Compensation Plans Lower Profit in Search Engine Marketing

In: Fourth Workshop on Ad Auctions, in conjunction with The ACM Conference on Electronic Commerce; Chicago

June

Stepanchuk, T.

How Do Bids Influence Positions of Ads in Sponsored Search Results? Bled e Conference eCollaboration: Overcoming Boundaries Through Multi-Channel Interaction

In: Proceedings of the 21st Bled eConference; Bled

June

Stepanchuk, T.; Schlereth, C.

Influence of Nonlinear Tariff Structures on Service Providers’ Profitability

In: Proceedings of the 30th INFORMS Marketing Science Conference; Vancouver

June

Stepanchuk, T.

An Empirical Examination of the Relation between Bids and Positions of Ads in Sponsored Search

In: 21st Bled eConference, eCollaboration: Overcoming Boundaries through Multi-Channel Interaction; Bled, Slovenia, June 2008

May

Gerstmeier, E.; Skiera, B.; Stepanchuk, T.

An Analyis of the Optimality of Different Bidding Heuristics

In: Proceedings of the 37th EMAC Conference; Brighton, Großbritannien

May

Stepanchuk, T.; Schlereth, C.

How Do Tariff Structures Influence Service Providers’ Profitability?

In: Proceedings of the 37th EMAC Conference; Brighton

2007

24. September

Stepanchuk, T.; Gerstmeier, E.

Why Paying for Performance easily Lowers Profit in Search Engine Marketing

In: Tagung Quantitatives Marketing 2007; Passau

July

Schlereth, C.; Skiera, B.; Stepanchuk, T.

Optimization of Optional Two-Part-Tariffs

In: EURO XXII - 22 European Conference on OR, Prague

29. June

Gerstmeier, E.; Stepanchuk, T.; Skiera, B.

A Critical Examination of Performance-Based Compensation Practices in Search Engine Marketing

In: Marketing Science Conference 2007; Singapore

Abstract
29. June

Gerstmeier, E.; Stepanchuk, T.; Skiera, B.

Sensitivity of Profits to Deviations from the Optimal Bidding Strategy in Search Engine Marketing

In: Marketing Science Conference 2007; Singapore

Abstract