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Using a dynamic (stochastic-factor) portfolio model, we devise a method to estimate the impact of the oil price on the stock market. We apply our approach to the Jamaican financial market. Our result indicates a negative weak relationship between the oil price and the stock index. - Attraverso l’utilizzo di un modello dinamico stocastico, in questo studio viene elaborato un metodo per stimare l’impatto del prezzo del petrolio sul mercato azionario. Applicando il modello al mercato azionario giamaicano otteniamo una debole relazione negativa tra prezzo del petrolio e indice azionario.

We introduce a new theoretically-based method of estimating the impact of the exchange rate and GDP on the stock market. In doing so, we utilize the new stochastic-factor model (a recent development in mathematical finance). Our results indicate a strong negative relationship between the stock index and the exchange rate, and a strong positive relationship between the stock index and GDP. - In questo studio viene introdotto un nuovo metodo teorico per la valutazione dell’impatto del tasso di cambio e del PIL sul mercato azionario. Per effettuare questa stima si utilizza il modello a stocasticità fattoriale (recentemente sviluppato nella matematica finanziaria). I risultati ottenuti indicano una relazione fortemente negativa tra l’indice azionario e il tasso di cambio ed una relazione fortemente positiva tra l’indice azionario e il PIL.

Cognitive behavior therapy (CBT) has been established as efficacious for obsessive-compulsive disorder (OCD) among older children and adolescents, yet its effect on young children has not been evaluated sufficiently.To examine the relative efficacy of family-based CBT (FB-CBT) involving exposure plus response prevention vs an FB relaxation treatment (FB-RT) control condition for children 5 to 8 years of age.A 14-week randomized clinical trial (Pediatric Obsessive-Compulsive Disorder Treatment Study for Young Children [POTS Jr]) conducted at 3 academic medical centers between 2006 and 2011, involving 127 pediatric outpatients 5 to 8 years of age who received a primary diagnosis of OCD and a Children's Yale-Brown Obsessive Compulsive Scale total score of 16 or higher.Participants were randomly assigned to 14 weeks of (1) FB-CBT, including exposure plus response prevention, or (2) FB-RT.Responder status defined as an independent evaluator-rated Clinical Global Impression-Improvement scale score of 1 (very much improved) or 2 (much improved) and change in independent evaluator-rated continuous Children's Yale-Brown Obsessive Compulsive Scale total score. RESULTS Family-based CBT was superior to FB-RT on both primary outcome measures. The percentages of children who were rated as 1 (very much improved) or 2 (much improved) on the Clinical Global Impression-Improvement scale at 14 weeks were 72% for FB-CBT and 41% for FB-RT. The effect size difference between FB-CBT and FB-RT on the Clinical Global Impression-Improvement scale was 0.31 (95% CI, 0.17-0.45). The number needed to treat (NNT) with FB-CBT vs FB-RT was estimated as 3.2 (95% CI, 2.2-5.8). The effect size difference between FB-CBT and FB-RT on the Children's Yale-Brown Obsessive Compulsive Scale at week 14 was 0.84 (95% CI, 0.62-1.06).A comprehensive FB-CBT program was superior to a relaxation program with a similar format in reducing OCD symptoms and functional impairment in young children (5-8 years of age) with OCD.clinicaltrials.gov Identifier: NCT00533806.

Few studies have examined predictors of parental accommodation (assessed with the Family Accommodation Scale-Parent Report) among families of children with obsessive-compulsive disorder (OCD). No studies have examined this phenomenon using empirically derived subscales of the Family Accommodation Scale-Parent Report (i.e., Caregiver Involvement, Avoidance of Triggers).Ninety-six youths (and their families) were included in the present study. Parents were asked to complete the Family Accommodation Scale-Parent Report. Families also completed several additional measurements assessing child- and parent-level variables of interest. Regression analyses were used to examine potential predictors of accommodation.Results support prior research suggesting that accommodation is ubiquitous among the families of children with OCD. Analyses revealed that several child-level (i.e., compulsion severity, oppositional behavior, and frequency of washing symptoms) and one parent-level (i.e., symptoms of anxiety) predictors work jointly to provide significant predictive models of parental accommodation.Clinicians and researchers should be aware of the impact of specific child- and parent-level variables on family accommodation in pediatric OCD and in turn their implications for treatment compliance, adherence, and, by extension, outcome. Study limitations warrant replication and extension of these findings; in particular, researchers may seek to obtain a better understanding of how the various facets of parental accommodation may differentially affect treatment.

Como a diapausa manifestada nos bicudos e um importante mecanismo de sua sobrevivencia nos Estados Unidos durante a entressafra, e fundamental que se conhecam detalhes de sua ocorrencia no Brasil, a fim de se introduzirem tecnicas eficientes de manejo dessa especie. Com o presente trabalho objetivou-se verificar a incidencia da diapausa em lavouras de algodao de alguns municipios do Estado de Sao Paulo. Na safra 1983/84 o estudo desenvolveu-se em 10 municipios e em 1984/85, em 7 municipios. O numero de adultos coletados, bem como o numero de coletas realizadas em cada tempo, foram variaveis. Em praticamente todas as coletas ocorreram adultos em diapausa, excetuando-se as de 18/04/84 e 15/02/85 para Porto Feliz e a de 10/05/1985 para Tiete. As maiores porcentagens de bicudos em diapausa foram observadas nos meses de marco a abril, fase final do ciclo das plantas. Na safra 1984/85 altas porcentagens ocorreram tambem em maio, mas na safra 1983/84 nao foram conduzidas coletas nessa epoca. Os maiores indices de diapausa foram observados em Monte Mor, no periodo de 19-23/03/84, com cerca de 54% e em Campinas, no periodo de 12-18/03/85, com cerca de 56%.

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Critique des trois versions de l'ethnogenese et des relations des Hualapai et des Havasupai du sud-ouest des Etats-Unis, tirees du " Handbook of North American Indians ", Volume 10, celles d'A.L. Kroeber, de D.W. Schwartz, et de R.C. Euler et H.F. Dobyns

Objetivou-se avaliar a área cultivada com algodoeiro, a produção e as perdas causadas pelo bicudo-do-algodoeiro (Anthonomus grandis Boheman, 1843) e outras pragas de estruturas produtivas, na região infestada do Estado de Sao Paulo, bem como detalhes do controle utilizado pelos agricultores contra o bicudo, durante a safra 83/84. Para isso, conduziu-se um levantamento em uma amostra de propriedades em municípios infestados por essa praga. Observou-se que nas DIRAs de Campinas e Sorocaba houve um decréscimo de 19,9% e 32,9%, respectivamente, na area plantada com algodão na safra 83/84 em relacao a safra anterior. Na safra 83/84, embora tenha havido maior incidência da praga, houve um aumento de produtividade de algodao de 26,8% e 29,9% nas DIRAs de Campinas e Sorocaba, respectivamente, em relação a safra 82/83. O numero de pulverizações com inseticidas se elevou de 2,8 a 4,1, em media, de 82/83 para 83/84. Os inseticidas mais utilizados, em ordem decrescente, foram: methyl parathion, endosulfan, endrin e monocrotophos. As propriedades com maiores danos de bicudo nas DIRAs de Campinas e Sorocaba, dentro da amostra estudada, apresentaram decréscimos na producao de, respectivamente, 4,7% e 6,6%. Na safra 83/84 o bicudo foi mais prejudicial que lagarta-rosada, praga de expressão na região. Made available in DSpace on 2018-04-19T00:52:14Z (GMT). No. of bitstreams: 1 CampanholaAlgumas.pdf: 9287858 bytes, checksum: a97a9356cfbd6d5120d03982aa667af7 (MD5) Previous issue date: 1991-03-15