Author: "Joseph Willke

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Research papers

The future of simulated test markets

Catalogue: ESOMAR Congress 2002: Consolidation Or Renewal?
Company: Nielsen
Date: September 22, 2002
Author: Joseph Willke

Research papers

Internet testing

Catalogue: ESOMAR Net Effects 1999
Company: Nielsen
Date: June 15, 1999
Authors: Joseph Willke, Christine Adams, Zara Girnius

Research papers

Brand proliferation and consumer purchasing

Catalogue: ESOMAR Congress 1996: Changing Business Dynamics
Company: Nielsen
Date: September 1, 1996
Authors: Muriel Lecomte, Joseph Willke