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A Dynamic Model of Inflation in Kenya
(Oxford University Press, 2001)This paper analyses the dynamics of inflation in Kenya during 1974 –1996, a period characterised by external shocks and internal disequilibria. By developing a parsimonious and empirically constant model we find that the ... -
'Never on a Sunday': Economic incentives and short-term sick leave in Sweden
(Routledge, Taylor & Francis, 2005)Using a longitudinal data for about 1800 persons observed between 1986 and 1991, this study investigates the incentive effects on short-term sickness spells of two important regime changes in the social insurance system ... -
Can Japan Make a Comeback?
(Blackwell, 2005) -
What Contributes to Life Satisfaction in Transitional Romania?
(Blackwell, 2006)This paper analyzes life satisfaction in Romania in 2001, 12 years after the collapse of communism and the beginning of the transition into a market economy. Using a survey of 1770 individuals, we find that our results are ... -
Assessing the employment effects of vocational training using a one-factor model
(Routledge, Taylor & Francis, 2006)Matching estimators use observed variables to adjust for differences between groups to eliminate sample selection bias. When minimum relevant information is not available, matching estimates are biased. If access to data ... -
Openness and wage inequality in Kenya, 1964–2000
(Elsevier, 2006)This paper analyses the evolution of wage inequality in Kenya between 1964 and 2000. Our measure of wage inequality is the ratio of wages in manufacturing to wages in agriculture, which can be seen as an indicator of ... -
Optimal Surveillance Based on Exponentially Weighted Moving Averages
(Taylor & Francis, 2006)Statistical surveillance is used to detect an important change in a process as soon as possible after it has occurred. The EWMA method is used in industry, economics and medicine. Three optimality criteria of surveillance ... -
Some statistical aspects of methods for detection of turning points in business cycles
(Taylor & Francis, 2006)Methods for on-line turning point detection in business cycles are discussed. The statistical properties of three likelihood based methods are compared. One is based on a Hidden Markov Model, another includes a non-parametric ... -
What Have We Learned from a Decade of Manufacturing Enterprise Surveys in Africa?
(Oxford University Press, 2006)In the early 1990s the World Bank launched the Regional Program on Enterprise Development in several African countries, a key component of which was to collect data on manufacturing firms. The data sets built by these and ... -
Properties and Use of the Shewhart Method and Its Followers
(Taylor & Francis, 2007)After the Shewhart method was suggested for industrial applications, other applications, such as surveillance for bioterrorism and financial transactions, came into focus. Other methods for surveillance have also followed. ... -
Demand for coffee in Sweden: The role of prices, preferences and market power
(Elsevier, 2007)There is a widespread belief that consumer coffee prices are high relative to bean prices and that lower consumer prices would lead to substantial increases in bean exports from Third-World countries. This issue is evaluated ... -
Competition in the Swedish coffee market, 1978–2002
(Elsevier, 2007)Are multinationals exploiting their market power in national coffee markets by keeping consumer prices too high and thereby limiting demand for imports of coffee beans? The purpose of this study is to address this issue ... -
Can Africa Reduce Poverty by Half by 2015?
(Blackwell Publishing, 2007)This study uses simulations to explore the possibility of halving the percentage of people living in extreme poverty in Africa by 2015. It is shown that initial levels of inequality and per capita consumption determine the ... -
Long-term absenteeism due to sickness in Sweden. How long does it take and what happens after?
(Springer, 2008)In this paper, we analyze exits from long-term sickness spells in Sweden. Using spell data for more than 2500 people, aged 20-64 years during 1986-1991, and who had at least one sickness spell of at least 60 days during ... -
Anonymity, reciprocity, and conformity: Evidence from voluntary contributions to a national park in Costa Rica
(Springer, 2008)We investigate the role of anonymity, reciprocity, and conformity for voluntary contributions, based on a natural field experiment conducted at a national park in Costa Rica. Contributions made in public in front of the ... -
Does context matter more for hypothetical than for actual contributions? Evidence from a natural field experiment
(Springer, 2008)We investigated the importance of the social context for people’s voluntary contributions to a national park in Costa Rica, using a natural field experiment. Some subjects make actual contributions while others state their ... -
Poverty Transition and Persistence in Ethiopia, 1994-2004
(Elsevier, 2008) -
Does it matter when a power outage occurs? — A choice experiment study on the willingness to pay to avoid power outages
(Elsevier, 2008)Using a choice experiment survey, the marginal willingness to pay (WTP) among Swedish households for reductions in power outages is estimated. The results from the random parameter logit estimation indicate that the marginal ... -
First Exits from the Swedish Labor Market Due to Disability
(Springer, 2008)Nowadays, with an increasingly aging population, an increasing size of the population on disability benefits, and an implicitly lower level of economic output and foregone tax revenue, disability has become a major public ... -
Tests of Markov Order and Homogeneity in a Markov Chain
(2011)A three-state non-homogeneous Markov chain (MC) of order m≥0, denoted M(m), was previously introduced by the author. The model was used to analyze work resumption among sick-listed patients. It was demonstrated that wrong ...