School of Business, Economics and Law / Handelshögskolan: Recent submissions
Visas titlar 841-860 av 1831
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Early warnings for turns in business cycles and finance
(University of Gothenburg, 2003-06-01)In many areas, it is important to detect turning points in time series early and without faults. Turns in business cycles and financial time series are discussed here. A variety of approaches for analyzing the turns in ... -
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 ... -
Aspects on the controi of false alarms in statistical surveillance and the impact on the return of financial decision systems
(2004-02-01)Systems for on-line detection of regime shifts are important, e.g. for making timely financial transactions. For daily data, it means that we make a new decision each day, based on the data available, and when there is ... -
Monitoring macroeconomic volatility
(2004-01-01)In this paper we develop testing procedures for monitoring the stability of the variance of a time series. While the traditional approach to testing for structural change is retrospective, applying a single test to a ... -
A monitoring system for detecting starts and declines of influenza epidemics
(2003-12-01)The aim is to detect an influenza outbreak as soon as possible. Data are weekly reports of number of patients showing influenza-like symptoms. At each additional observation we decide whether a change has occurred or ... -
Statistical measures for evaluation of methods for syndromic surveillance
(2003-11-01)Introduction In syndromic surveillance there is a need for continual observation of one or more time series, with the goal of detecting an important change in the underlying process as soon as possible after it has ... -
Graphical evaluation of statistical surveillance
(2003-10-01)A computer program which simultaneously gives graphical information on important characteristics of statistical surveillance methods is presented. Surveillance, that is continual observation of a time series with the goal ... -
Preliminary testing in a class of simple non-linear mixed models to improve estimation accuracy
(2003-09-02)In applied research hypothetical information about the parameters in a stochastic model sometimes can be generated from theory or previous studies. Replacing unknown parameters by constants might increase the estimation ... -
Maximum Likelihood Ratio based small-sample tests for random coefficients in linear regression
(2003-08-01)Two small-sample tests for random coefficients in linear regression are derived from the Maximum Likelihood Ratio. The first test has previously been proposed for testing equality of fixed effects, but is here shown to be ... -
Simple conservative confidence intervals for comparing matched proportions
(University of Gothenburg, 2011-01-01)Unconditional confidence intervals (CIs) for the difference between marginal proportions in matched pairs data have essentially been based on improvements of Wald’s large-sample statistic. The latter are approximate and ... -
A CUSUM PROCEDURE FOR DETECTION OF OUTBREAKS IN POISSON DISTRIBUTED MEDICAL HEALTH EVENTS
(University of Gothenburg, 2010-11-02)CUSUM procedures which are based on standardized statistics are often supposed to have expectation zero and being normally distributed. If these conditions are not satisfied it can have serious consequences on the determination ... -
Relative Efficiency of a Quantile Method for Estimating Parameters in Censored Two-Parameter Weibull Distributions
(University of Gothenburg, 2010-11-01)In simulation studies the computer time can be much reduced by using censoring. Here a simple method based on quantiles (Q method) is compared with the Maximum Likelihood (ML) method when estimating the parameters in ... -
Fondförvaltaransvaret - särskilt om etisk fondförvaltning
(2011-02-02) -
Doing good with other people’s money: A charitable giving experiment with students in environmental sciences and economics
(2011-01)We augment a standard dictator game to investigate how preferences for an environmental project relate to willingness to limit others’ choices. We explore this issue by distinguishing three student groups: economists, ... -
Omvälvningarnas tid: Handelshuset Ekman i Göteborg på en europeisk kreditmarknad 1790–1820
(2011-01-26)The purpose of this doctoral dissertation is to chart and analyze the flow of payments and credits to and from Gothenburg for the period 1790−1820, with a special interest in the transactions involving The Merchant House ... -
Decoupling: Is there a Separate Contribution from Environmental Taxation
(2011-01)Decoupling is a crucial topic in the analysis of sustainable development. Without decoupling, continuing and increasing economic growth in developed and developing countries would come with ever increasing environmental ... -
Essays on Social Comparison
(2011-01-18) -
Essays on Institutions, Inequality and Development
(2011-01-18) -
Animal Welfare and Social Decisions
(2011-01)This paper analyzes the standard welfare economics assumption of anthropocentric welfarism, i.e., that only human well-being counts intrinsically. Alternatives where animal welfare matters intrinsically are explored ... -
Self-Image and Valuation of Moral Goods: Stated versus Real Willingness to Pay
(2011-01)Hypothetical bias in stated-preference methods appears sometimes to be very large, and other times non-existent. This is here largely explained by a model where people derive utility from a positive self-image associated ...