According to Karl Popper, economics and agricultural economics should be deemed scientific if the theories (hypotheses) are subject to strict tests. The testing of agro-economic theories goes back 50 years in the USA, Canada, Europe, and Japan, and these methods are becoming increasingly part of...

Multivariate equivalence testing becomes necessary whenever the similarity rather than a difference between several treatment groups with multiple endpoints has to be shown. This problem occurs in various applications, including bioequivalence or the comparison of dissolution profiles....

We have conducted survey research to measure the perception of the Genevese population regarding the problem of information overload. The sample size is 581. Main findings indicate that information overload is a real concern in Geneva and seems to affect the efficiency of companies. Themes like...

In this paper statistical tests with fuzzily formulated hypotheses are discussed, i.e., hypotheses H <Subscript>0</Subscript> and H <Subscript>1</Subscript> are fuzzy sets. The classical criteria of the errors of type I and type II are generalized, and this approach is applied to the linear hypothesis in the linear regression model. A...</subscript></subscript>