This paper extends the existing estimation methods to allow empirical estimation and hypothesis testing under simultaneous price and output uncertainty.

Purpose – The purpose of this paper is to report on the results of a study investigating the association between organizational differences and some aspects relating to the implementation of ISO 9001:2000. Design/methodology/approach – Data required for this study were collected from 42 ISO...

This paper questions traditional approaches for testing the day-of-the-week effect on stock returns. We propose an alternative approach based on the closure test principle introduced by Marcus, Peritz and Gabriel (1976), which has become very popular in Biometrics and Medical Statistics. We test...

This paper questions traditional approaches for testing the day-of-the-week effect on stock returns. We propose an alternative approach based on the closure test principle introduced by Marcus, Peritz and Gabriel (1976), which has become very popular in Biometrics and Medical Statistics. We test...

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...