Work and Non-Pathological Gambling

Most economists believe that people would value an additional $1,000 in income more if they were poor than if rich, but if so, people should not gamble according to standard expected utility theory. Thus, economists have been challenged to explain the pervasiveness of gambling in human behavior. A recently proposed solution to this theoretical challenge (Nyman 2004; Nyman et al. in Journal of Socio-Economics 37:2492–2504, 2008) suggests that, because having to work for one’s income is a fact of life in market economies, many individuals view the winnings from gambling not only as additional income, but as additional income for which one does not need to work. As a result, individuals, and especially those who are disadvantaged in the labor market, attach a utility premium to gambling winnings and gamble because of that. This utility premium would explain the pervasiveness of gambling in society, especially among the economically disadvantaged. This paper reviews the economic approaches to explaining non-pathological gambling, presents an overview of the new theory, and uses data from the National Epidemiological Survey of Alcohol and Related Conditions from 2001 to test it. The results indicate that the respondent’s work characteristics explain the decision to gamble in a way that is consistent with theory.     

Dynamic Identification of Dynamic Stochastic General Equilibrium Models

This paper studies dynamic identification of parameters of a dynamic stochastic general equilibrium model from the first and second moments of the data. Classical results for dynamic simultaneous equations do not apply because the state space solution of the model does not constitute a standard reduced form. Full rank of the Jacobian matrix of derivatives of the solution parameters with respect to the parameters of interest is necessary but not sufficient for identification. We use restrictions implied by observational equivalence to obtain two sets of rank and order conditions: one for stochastically singular models and another for nonsingular models. Measurement errors, mean, long‐run, and a priori restrictions can be accommodated. An example is considered to illustrate the results.     

Using the RE‐AIM framework to identify and describe best practice models in family‐based intervention development: A systematic review

The family unit carries with it a responsibility of possibly being the most important predictor of positive child development. The aim of this systematic review is to identify and describe best practice models or processes in family‐based intervention development. The following databases were included in the review: PsychArticles, Academic Search Complete, ERIC, SocIndex, Sage, Sabinet, and Pubmed. Peer‐reviewed, English language, qualitative, quantitative, and mixed methods in nature conducted within the last 10 years. Interventions were required to include families as part of the programme as well as describe the model or process used in intervention development. Two self‐developed data extraction tables were developed for this review. The articles included for review were heterogeneous in terms of the outcomes, and so a narrative synthesis was used. After yielding an initial search of 400 studies, 28 articles were finally included for extraction and analysis with varying levels of intervention strength. Interventions are further described in terms of reach, effectiveness, adoption, implementation, and maintenance dimensions. A feasible intervention appears to be one that is flexible, engages processes to recruit those who are most at‐risk and is facilitated by someone known to or from the same community as the participants, can retain its participants, and can be evaluated with the same participants at a minimum of 6 months later.     

Cognitive function in toddlers with congenital heart disease: The impact of a stimulating home environment

Infants born with congenital heart disease (CHD) are at increased risk of neurodevelopmental difficulties in childhood. The extent to which perioperative factors, cardiac physiology, brain injury severity, socioeconomic status, and home environment influence early neurodevelopment is not clear. Sixty-nine newborns with CHD were recruited from St Thomas’ Hospital. Infants underwent presurgical magnetic resonance imaging on a 3-Tesla scanner situated on the neonatal unit. At 22 months, children completed the Bayley Scales of Infant and Toddler Development-3rd edition and parents completed the cognitively stimulating parenting scale to assess cognitive stimulation at home. Level of maternal education and total annual household income were also collected. Hospital records were reviewed to calculate days on the intensive care unit post-surgery, time on bypass during surgery, and days to corrective or definitive palliative surgical intervention. In the final analysis of 56 infants, higher scores on the cognitively stimulating parenting scale were associated with higher cognitive scores at age 22 months, correcting for gestational age at birth, sex, and maternal education. There were no relationships between outcome scores and clinical factors; socioeconomic status; or brain injury severity. Supporting parents to provide a stimulating home environment for children may promote cognitive development in this high-risk population.     

ANALYSIS OF VECTOR AUTOREGRESSIONS IN THE PRESENCE OF SHIFTS IN MEAN

This paper considers the implications of mean shifts in a multivariate setting. It is shown that under the additive outlier type mean shift specification, the intercept in each equation of the vector autoregression (VAR) will be subject to multiple shifts when the break dates of the mean shifts to the univariate series do not coincide. Conversely, under the innovative outlier type mean shift specification, both the univariate and the multivariate time series are subject to multiple shifts when mean shifts to the innovation processes occur at different dates. We consider two procedures, the first removes the shifts series by series before forming the VAR, and the second removes intercept shifts in the VAR directly. The pros and cons of both methods are discussed.     

放弃是为了更好地开始

Serena，居上海，曾供职于世界500强，经常出现于猎头寻访名单之上。某一日，突做决定，辞职，旅行，再求职，只为了一个虚无缥缈的词“意义”。应本刊之遨，她以文字实时记录这趟重新寻找职业意义之旅。