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DETECTION OF GRADUAL CHANGES. STATISTICAL METHODS IN POST MARKETING SURVEILLANCE
(University of Gothenburg, 1995-02-01)
Surveillance can be viewed as continual observation in time where the goal is to detect a change in the underlying process as soon as possible after it has occurred. In many applications, such as post marketing surveillance, ...
Accounting and Stock Markets. A Study of Swedish Accounting for International Investors and Analysts
(1998)
The empirical motivation of this dissertation is the increasing importance and internationalization of stock markets, combined with accounting systems that historically are national in scope. At this time, there is incomplete ...
On statistics and scientific thinking
(University of Gothenburg, 1999-08-01)
Scientific thinking could in a wider scope be regarded as the process resulting in scientific knowledge. Such a definition is however at the same time to narrow and to wide since you could easily find projects ruled by the ...
Testing for cointegrating relations - A bootstrap approach
(University of Gothenburg, 1999-05-01)
Using Monte Carlo methods together with the Bootstrap critical values, we have studied the properties of two tests (Trace and L-max), derived by Johansen (1988) for testing for cointegration in V AR systems. Regarding the ...
Does Market Liberalization Increase Total Factor Productivity: Evidence from the Manufacturing Sector in Zimbabwe
(1998)
In this paper we analyze if the structural adjustment program (ESAP), implemented during 1991-1995, contributed to an increase in total factor productivity in the manufacturing sector. To evaluate if productivity has grown ...
ASPECTS OF MODELLING NONLINEAR TIME SERIES
(University of Gothenburg, 1992-01-01)
It is common practice for economic theories to postulate non-linear relationships between economic variables, production functions being an example. If a theory suggests a specific functional form, econometricians can ...
ON THE PROBLEM OF OPTIMAL INFERENCE IN THE SIMPLE ERROR COMPONENT MODEL FOR PANEL DATA
(University of Gothenburg, 1991-02-01)
For data consisting of cross sections of units observed over time, the Error Component Regression (ECR) model, with random intercept and constant slope, may sometimes be adequate. While most interest has been focused on ...
The impact of season and climate on growth during early childhood in different socio-economic groups in Lahore, Pakistan
(University of Gothenburg, 1999-10-01)
Aim. The aim of this study was to analyse the impact of season and climate on early child growth in four socio-economically different groups living in Lahore, Pakistan. Methods. A prospective cohort study was conducted ...
Logistikkanaler för livsmedel - en förstudie
(1999)
Syftet med rapporten är att identifiera problemområden inom livsmedelslogistik, där ett "kanaltänkande" är speciellt tillämpbart och där ett interorganisatoriskt samarbete inom logistikkanalen kan förväntas ...
ON SOME PREDICTION METHODS FOR CATEGORICAL DATA
(University of Gothenburg, 1991-01-01)
Good prediction methods are important in many fields where qualitative variables are involved. The criterion of a good prediction method, used in this paper, is the average mean squared error. This criterion is used to ...