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Research papers

Challenges of market research by the limits to growth (German)

Over a period of 25 years we have experienced a steady growth of consumption and waste in our industrial societies. Now, a reversal of this trend is going on. Deficits and deficiencies of the industrial societies are growing. Crucial points in the...

Catalogue: ESOMAR Congress 1974: The Challenges Facing Marketing Research
Author: Ulrich Jetter
September 1, 1974

Research papers

Challenges of market research by the limits to growth

Over a period of 25 years we have experienced a steady growth of consumption and waste in our industrial societies. Now, a reversal of this trend is going on. Deficits and deficiencies of the industrial societies are growing. Crucial points in the...

Catalogue: ESOMAR Congress 1974: The Challenges Facing Marketing Research
Author: Ulrich Jetter
September 1, 1974

Research papers

The Delta Copy Test I

The Delta Copy Test deals with a problem, which is bound to come up regularly in the process of creating a well-planned advertising campaign if the responsible team happens to have a clear understanding of the difference between the purchase...

Catalogue: Seminar 1965: Measuring Advertising Effectiveness
Author: Ulrich Jetter
June 15, 1965