used in social psychology. It is shown that a normative model of rational Our study analyses wage trends of cohorts defined by year of birth. We use wage data of male employees from a random sample of social security accounts for the year 1976 to 1984.

There are several hints that there is lack of trust in the relationships between farmers and processors in the meat industry. To generate instruments of trust management, a survey is conducted in the German pork chain measuring the level of trust perceived by farmers as well as the antecedents...

In this paper we discuss the impact of customer satisfaction and enthusiasm on the performance of small retailers in the organic food market. The analysis of customer satisfaction and shop data confirm essential economic effects. The study is based on 948 customer interviews and an analysis of...

We consider quadratic regression models where the explanatory variable is measured with error. The effect of classical measurement error is to flatten the curvature of the estimated function. The effect on the observed turning point depends on the location of the true turning point relative to...

El presente trabajo presenta un nuevo procedimiento de valoración agraria multicriterio (MAVAM), especialmente diseñado para situaciones en las que se dispone de escasa información, cuantificada o no, acerca de los elementos considerados. El procedimiento propuesto, válido para trabajar en...

Measurement error (ME) is the difference between the true unknown value of a variable and the data assigned to that variable during the measuring process. The multiple correlation coefficient quantifies the strength of the relationship between the dependent and independent variable(s) in...

This paper analyses the effect of brand positioning on customer loyalty. Based on data of a survey of clients of the energy utility Iberdrola, the study measures the loyalty effect of the company’s perceived positioning For this purpose, a positioning model of the company and its main...

Volunteer Grids, in which users share computing resources altruistically, play a critical role in fostering research. Sharing and collaboration in Volunteer Grids is determined by many factors. These determinants define the participation in Grids and the amount of contribution to such Grids....