Showing 1 - 10 of 183
Abstract An intervention may have an effect on units other than those to which it was administered. This phenomenon is called interference and it usually goes unmodeled. In this paper, we propose to combine Lauritzen-Wermuth-Frydenberg and Andersson-Madigan-Perlman chain graphs to create a new...
Persistent link: https://www.econbiz.de/10014610880
We describe various sets of conditional independence relationships, sufficient for qualitatively comparing non-vanishing squared partial correlations of a Gaussian random vector. These sufficient conditions are satisfied by several graphical Markov models. Rules for comparing degree of...
Persistent link: https://www.econbiz.de/10010848635
This study uses time-series techniques and econometric approaches in order to quantify the effects that organising an EU presidency has on the tourism exports of a country. The approach to explain tourism revenues by a time-series intervention model filters out special effects (data...
Persistent link: https://www.econbiz.de/10011435200
This study assesses the impacts of nine major crisis events during 2001-2009 on the declining number of foreign tourists in Thailand. The SARIMA with intervention models and X-12-ARIMA are applied. The results show that each of the crises gave different effects on the number of tourists...
Persistent link: https://www.econbiz.de/10010860215
This study uses time-series techniques and econometric approaches in order to quantify the effects that organising an EU presidency has on the tourism exports of a country. The approach to explain tourism revenues by a time-series intervention model filters out special effects (data...
Persistent link: https://www.econbiz.de/10005020372
Financial systems in developing countries are generally characterized by under-developed financial markets; they are dominated by commercial banks. This was the case of Tunisia, which, by adopting financial reforms, sought to make a dynamic financial market in order to insure a transition from...
Persistent link: https://www.econbiz.de/10010686064
The issue of measurement invariance commonly arises in factor-analytic contexts, with methods for assessment including likelihood ratio tests, Lagrange multiplier tests, and Wald tests. These tests all require advance definition of the number of groups, group membership, and offending model...
Persistent link: https://www.econbiz.de/10010294761
Worldwide human trafficking (HT) is the third most often registered international criminal activity, ranked only after drug and weapon trafficking. The aim of the paper is to measure the extent of HT inflows to destination countries. It proposes the application of the Multiple Indicators...
Persistent link: https://www.econbiz.de/10010329022
Worldwide human trafficking (HT) is the third most often registered international criminal activity, ranked only after drug and weapon trafficking. The aim of the paper is to measure the extent of HT inflows to destination countries. It proposes the application of the Multiple Indicators...
Persistent link: https://www.econbiz.de/10010368271
The literature review previous to the realization of this research has allowed us to observe that in the field of management of quality is necessary empirical research to analyze the structure of relations among the critical factors of quality and results. In this context, we conducted an...
Persistent link: https://www.econbiz.de/10011984970