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A NOTE ON ROTATABILITY
(University of Gothenburg, 1994-10-01)
The need of a measure of rotatability is discussed and exemplified through some examples. The examples also shows the difficulties with measuring rotatability. A graphical technique for exploring the variance function is ...
The Structure of the Tax-system and the Estimation of Labor Supply Models
(1998)
Using a repeated cross section for married prime age Swedish males for the years 1984, 1986 and 1988 produce drastically different labor supply elasticities. From 1984 to 1988 the Swedish tax system has reduced both tax ...
On monitoring of environmental and other autoregressive processes
(University of Gothenburg, 1998-05-01)
Statistical surveillance is used for monitoring a sequence of data arriving step by step. These techniques have been applied in many places in society and lately the interest and need for rational methods to be used on ...
Used Clothes As Development Aid: The political economy of rags
(1999)
Should Swedish used-clothes exports continue to be subsidized as development aid? Theoretical analysis and review of empirical evidence regarding effects of both commercial and charitable (subsidized) used-clothes imports ...
Intelligent Software Agents: Implications for Marketing in eCommerce
(1999)
The potential for the efficient and effective organization of market processes by using interactive media is hardly used. Intelligent software agents represent one of most interesting the innovative technologies under ...
ABSTRACT BOOTSTRAP CONFIDENCE INTERVALS IN LINEAR MODELS
(University of Gothenburg, 1990-01-01)
A bootstrap method for generating confidence intervals in linear models is suggested. The method is motivated by an abstract nonobservable bootstrap sample of true residuals leading to an observable final result. This means ...
Repeated measurement designs for models with self and mixed carryover effects
(University of Gothenburg, 1998-09-01)
We study the problem of design and analysis of two-period repeated measurement (crossover or changeover) designs based on two or more treatments. In our model we allow the appearance of two types of carryovers (residuals) ...
Sequential probability ratio tests when using randomized play-the-winner allocation
(University of Gothenburg, 1997-01-01)
In many clinical experiments there is a conflict between ethical demands to provide the best possible medical care for the patients and the statisticians desire to obtain an efficient experiment. Play-the-winner allocations ...
STATISTICAL RANK METHODS FOR ORDINAL CATEGORICAL DATA
(University of Gothenburg, 1991-03-01)
The aim of this paper is to present a new rank. method for analysing ordinal scale problems, and to give some of its basic properties. The method is suitable for the assessment of validity and reliability of health measurement ...
Do Hypothetical and Actual Willingness to Pay Differ in Choice Experiments? - Application to the Valuation of the Environment
(1999)
In this paper we test the validity of choice experiments with donations for environmental projects. In particular, we test whether or not willingness to pay for projects differs between a hypothetical and an actual choice ...