Showing 91 - 100 of 2,142
This paper develops a time domaine score statistic for testing fractional integration at zero and seasonal frequencies in quarterly time series models.
Persistent link: https://www.econbiz.de/10010541590
Persistent link: https://www.econbiz.de/10010541659
In this paper, linear and non-linear Granger causality tests are used to examine the dynamic relationship between daily …
Persistent link: https://www.econbiz.de/10010541765
Persistent link: https://www.econbiz.de/10010541777
contexts of psychological tests. Following the classification of different validity-types in the American Psychological … Association's Technical Recommendations (1954), validity travelled from psychological tests to psychological experiments through … definition that was subsequently taken over by other economists. In its travels from psychological tests to psychological …
Persistent link: https://www.econbiz.de/10009219399
Persistent link: https://www.econbiz.de/10009396079
Persistent link: https://www.econbiz.de/10009421069
We develop a framework in which: (i) a firm can have a new product tested publicly before launch; and (ii) tests vary …
Persistent link: https://www.econbiz.de/10009275435
The aim of this paper is to compare the relative performance of several tests for the null hypothesis of cointegration …
Persistent link: https://www.econbiz.de/10009279877
This paper examines some of the economic and econometric issues that arise in attempting to measure the degree of concentration in an industry and its dynamic evolution. A general axiomatic basis is developed. We offer new measures of concentration over aggregated periods of time and provide a...
Persistent link: https://www.econbiz.de/10009279886