168 research outputs found

    Implementing Regional Economic Policy: An Analysis of Economic and Political Influences in The Netherlands

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    The purpose of this paper is to extend our understanding of government behavior in the area of regional economic policy for the case of the Netherlands. The study seeks to investigate systematically the role of economic and political factors in determining changes in the implementation of regional economic policy. It is concluded that political circumstances did not play any discernible role in regional policymaking, and that the influence of economic circumstances on regional policymaking has been dominated by a secular trend. A short-run cyclical influence is found for qualitative changes in the policy package ; for quantitative changes in the amount of financial resources devoted to policymaking only the actual expenditures appear to possess a consistent cyclical component

    Regional Economic Policy in a Changed Labor Market

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    Recently, important structural changes have occurred on the supply and demand side of the labor market. This paper discusses the implications of these changes for regional policy making in the Netherlands. Suggestions for a new attack on regional problems are presented, which seem to be more radical diversions from the current practice than most other proposals which have recently been formulated. It is argued that the emphasis of policy on the demand side of the labor market is no longer self-evident. As alternative strategies for obtaining more equality in the interregional distribution of economic welfare, we propose policies oriented towards the supply side of the labor market and towards interpersonal transfers of income to compensate for interregional differences in earning capacities

    Estimating Impacts of Regional Policies: A Review of Applied Research Methods

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    This paper gives a review of research methods that have been used to estimate the impacts of regional policies. A distinction is made between microstudies and macrostudies, and the pros and cons of different approaches within each of these groups are extensively discussed. The paper concludes with some suggestions for future research in this field

    Sectorstructuurbeleid: mogelijkheden en beperkingen

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    Economi

    Incidence of completed suicide and suicide attempts in a global prospective study of Huntington's disease

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    Background Risk of death from suicide in Huntington's disease is notably elevated relative to that in the general population, although the incidence within HD populations has not been precisely defined. Robust incidence estimates of suicidal behavior can serve as references for HD therapeutic research and post-marketing surveillance to help evaluate the suicidality risk of novel therapeutics. Aims To estimate the incidence rate of completed suicide and suicide attempt in the global, prospective HD cohort study Enroll-HD that records these events per protocol. Method A total of 20 912 participants were available for analysis (HD gene-expansion carriers (HDGECs) n = 15 924; non-HDGECs n = 4988) representing a collective observation period of 53 390 participant-years. Each observed event was subject to clinical review and evaluation. We generated incidence rates (events per 100 000 person-years) for suicides and suicide attempts using all available data, as well as by year of study and geographical region. Proportionate mortality statistics for suicide and respective 95% confidence intervals were also generated. Results The overall incidence rate of suicide in HDGECs was 72 per 100 000 person-years, and 8 per 100 000 person-years in non-HDGECs. Proportionate mortality attributable to suicide in HDGECs was 4.6%. For suicide attempts, the global overall incidence rate observed in HDGECs was 306-375 per 100 000 person-years, and 23-38 per 100 000 person-years in non-HDGECs. Conclusions The incidence estimates calculated here can be used as a reference to help evaluate drug safety and may also be useful in assessing progress in clinical care for HDGECs once therapeutic interventions become widely available.Stress-related psychiatric disorders across the life spa

    Association between an insulin-like growth factor I gene promoter polymorphism and bone mineral density in the elderly: the Rotterdam Study

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    Studies of the roles of variants of the IGF-I gene in the regulation of bone mineral density (BMD) have yielded conflicting results. We examined the role of a microsatellite repeat polymorphism in one of the promoter regions of the IGF-I gene in relation to femoral BMD in elderly women and men from the Rotterdam Study. We studied 5648 and 4134 individuals at baseline and follow-up ( approximately 2 yr later), respectively. Femoral BMD measurements were performed using dual energy x-ray absorptiometry. In women, baseline BMD levels were, on the average, 0.02 g/cm(2) [95% confidence interval (CI) for difference, -0.03, -0.00 g/cm(2)] lower in individuals without the 192-bp allele as compared with the homozygotes for the allele (P = 0.03). The mean rate of BMD change from baseline to follow-up was -6.9 mg/cm(2) (95% CI, -10.8, -3.0), -4.5 mg/cm(2) (95% CI, -6.4, -2.5), and -2.3 mg/cm(2) (95% CI, -4.2, 0.3) in noncarriers, heterozygotes, and homozygotes for the 192-bp allele, respectively (P trend = 0.03). Adjustment for age and body mass index did not essentially change this relation. No such effects were observed in men. Our findings suggest that this promoter polymorphism or another functional polymorphism in linkage disequilibrium may be a genetic determinant of BMD levels and rate of bone loss in postmenopausal women

    A genome-wide search for linkage-disequilibrium with type 1 diabetes in a recent genetically isolated population from the Netherlands

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    Type 1 diabetes has a substantial genetic component, with consistent evidence for a susceptibility locus in the HLA-DR/DQ region (chromosome 6p) and the insulin gene region (chromosome 11p). Genome scans have identified >18 other genomic regions that may harbor putative type 1 diabetes genes. However, evidence for most regions varies in different data sets. Given the genetic heterogeneity of type 1 diabetes, studies in homogeneous genetically isolated populations may be more successful in mapping susceptibility loci than in complex outbred populations. We describe a genome-wide search in a recently Dutch isolated population. We identified 43 patients that could be traced back to a common ancestor within 15 generations and performed a genome-wide scan using a combined linkage- and association-based approach. In addition to the HLA locus, evidence for type 1 diabetes loci was observed on chromosome 8q24 (marker D8S1128) and on chromosome 17q24 (marker D17S2059). Both the 8q and 17q localization are supported by allele-sharing at adjacent markers in affected individuals. Statistical evidence for a conserved ancestral haplotype was found for chromosome 8q24

    Insulin-like growth factor I gene promoter polymorphism, collagen type II alpha1 (COL2A1) gene, and the prevalence of radiographic osteoarthritis: the Rotterdam Study

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    OBJECTIVE: To examine the role of an IGF-I gene promoter polymorphism in the prevalence of radiographic osteoarthritis (ROA), and study its interaction with the COL2A1 gene. METHODS: Individuals genotyped for IGF-I (n = 1546) and COL2A1 gene polymorphisms (n = 808) were selected from a random sample (n = 1583) derived from the Rotterdam study. The presence of ROA was defined as a Kellgren score of 2 or more in at least one of four joints (knee, hip, hand, and spine). Genotype specific odds ratios (OR) were adjusted for age, sex, body mass index, and bone mineral density using logistic regression. Interaction with the COL2A1 genotype was tested. RESULTS: Overall, no association was found between the IGF-I polymorphism and ROA. In subjects aged 65 years or younger (n = 971), the prevalence of ROA increased with the absence of the 192 base pair (bp) allele (p for trend = 0.03). Compared with homozygotes for the 192 bp allele, the prevalence of ROA was 1.4 times higher in heterozygotes (95% confidence interval, 1.0 to 1.8) and 1.9 times higher in non-carriers (1.1 to 3.3). There was evidence of interaction between the IGF-I and COL2A1 genes. Individuals with the risk genotype of both genes had an increased prevalence of ROA (OR 3.4 (1.1 to 10.7)). No effect was observed in subjects older than 65 years. CONCLUSIONS: SUBJECTS: with genetically determined low IGF-I expression (non-carriers of the 192 bp allele) may be at increased risk of ROA before the age of 65 years. Furthermore, an interaction between the IGF-I and COL2A1 genes is suggested

    A novel presenilin 1 mutation (L174M) in a large Cuban family with early onset Alzheimer disease.

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    We studied a Cuban family with presenile dementia (autosomal dominant) consisting of 281 members within six generations, the proband descended from a Spanish founder. Mean age at onset was 59 years of age. Memory impairment was the main symptom in all patients, additionally, ischemic episodes were described in 4 (n = 18) patients. Neuropathological examination of brain material (1 patient) revealed neuronal loss, amyloid plaques, and neurofibrillary tangles. Thirty DNA samples were genotyped (regions on chromosome 1, 3, 10, 12, 14, 17, 19, 20, and 21). A maximum Lod score of 3.79 at theta = 0 was obtained for marker D14S43, located in a 9-cM interval in which all patients shared the same haplotype. Sequencing of the PSEN1 gene revealed a heterozygous base substitution, C520A (exon 6), which is predicted to cause an amino acid change from leucine to methionine in the TMIII of the presenilin 1 protein. The mutation was found to co-segregate with the disease phenotype and the associated disease haplotype. The C --> A change was not observed in 80 control chromosomes from the Cuban population. Leucine at position 174 is highly conserved among species and is identical in prese
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