Spiekermann, UweUweSpiekermann2018-11-072018-11-072009https://resolver.sub.uni-goettingen.de/purl?gro-2/16544Product innovation, a decisive factor in modern economics, is usually analyzed from one point of view-that of the producers. A more realistic approach to the subject would add at least four dimensions to a consideration of the topic: the perspective of consumers and the cultural context within which they form their views; the differences in how experts and consumers acquire knowledge about products; the increasing influence of retailers at the point of sale; and the technological options available to producers and households. Two twentieth-century German case studies-on the scientific innovation of yogurt and the preserving and canning of food-connect the often separate perspectives of business, consumers, and culture.journal_article000268529600004