In this paper, I present an introduction to quantitative research methods in social sciences. The paper is intended for non-Economics undergraduate students, development researchers and practitioners who although unfamiliar with statistical techniques, are interested in quantitative methods to...

This book approaches the use of statistical analysis in solving business-oriented problems. We present some quantitative techniques applied in the analysis of some important aspects of business decisions: production, sales, costs and efficiency.

In the last decade, open source programming technology is widely used among statisticians for developing a new statistical software and data analysis. This is R software environment and the main objective of this paper is to underline the importance of R for statistical computations, data...

In this work we found first derivatives for the log likelihood function of the multivariate probit model.

As is well known in systems theory, the parameter space of most dynamic models is stratified into subsets, each of which supports a different kind of dynamic solution. Since we do not know the parameters with certainty, knowledge of the location of the bifurcation boundaries is of fundamental...

This paper presents simple measures of individual and family mental health indices based on axiomatic foundations and integrates mental health into a neoclassical model that allows for proper substitution possibilities in the family preferences and quantifies its significance in family utility....

This article analyses statistical reasoning of Spain’s Euro 2008 success. It argues that Spain success is related to its high level of domestic competition. This line argument was also supported with the examples from previous Euro football tournaments.

The Shewhart, Bonferroni-adjustment and analysis of means (ANOM) control chart are typically applied to monitor the mean of a quality characteristic. The Shewhart and Bonferroni procedure are utilized to recognize special causes in production process, where the control limits are constructed by...

Logistic regression (LR) is one of the most used estimation techniques for nominal data collected in contingency tables, and the question arises how the recently proposed concept of nominal correlation and regression (NCR) relates to it. (1) LR targets the cells in the contingency table while...

In this article the author examines, based on the inflation rate and unemployment rate registered in Romania during 1993-2004, how to show Okun's Law. Results consist of two distinct models explaining the dependency between the GDP’s growth rate of and the unemployment rate’s growth and vice...