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- Articles and reports: 21-004-X201100111412Geography: CanadaDescription:
Statistics Canada administers six surveys per year to collect information on intended, seeded and harvested acreages, yields, production and stocks of principal field crops, and publishes these survey estimates in the Field Crop Reporting Series (FCRS). This paper analyses short-term movements in weekly crop prices from the week before the releases of FCRS to the week after the releases. Field crops included in this study are oats, canola, corn, flax, barley and wheat, while specialty crops studied are sunflower seed, canary seed, field peas, lentils, mustard seed, chick peas and green peas. The data for field crops cover a period from 1990 to 2009 and that for specialty crops cover varying periods from 1992 to 2009 based on their availability. The results reveal that the price changes before and after the official releases of FCRS tend to even out over time. The results also suggest that prices after the releases are as likely to increase as they are to decrease. Based on the findings, the study concludes that the publication of statistics in the FCRS has no systematic effect on crop prices. The results are consistent with the findings of the National Agricultural Statistics Service of the United States Department of Agriculture.
Release date: 2011-12-22 - Articles and reports: 82-003-X201100411598Geography: CanadaDescription:
With longitudinal data, lifetime health status dynamics can be estimated by modeling trajectories. Health status trajectories measured by the Health Utilities Index Mark 3 (HUI3) modeled as a function of age alone and also of age and socio-economic covariates revealed non-normal residuals and variance estimation problems. The possibility of transforming the HUI3 distribution to obtain residuals that approximate a normal distribution was investigated.
Release date: 2011-12-21 - 3. Natural resource wealth, 2010 ArchivedArticles and reports: 16-002-X201100311549Geography: CanadaDescription: Canada is endowed with substantial reserves of natural resources, from energy and minerals in the ground to accessible stands of timber in forests. This article provides a brief overview of recent trends in Canada's natural resource wealth, which reflects the current dollar value of selected natural resource reserves.Release date: 2011-09-20
- 4. Cost efficiency of repeated cluster surveys ArchivedArticles and reports: 12-001-X201100111449Description:
We analyze the statistical and economic efficiency of different designs of cluster surveys collected in two consecutive time periods, or waves. In an independent design, two cluster samples in two waves are taken independently from one another. In a cluster-panel design, the same clusters are used in both waves, but samples within clusters are taken independently in two time periods. In an observation-panel design, both clusters and observations are retained from one wave of data collection to another. By assuming a simple population structure, we derive design variances and costs of the surveys conducted according to these designs. We first consider a situation in which the interest lies in estimation of the change in the population mean between two time periods, and derive the optimal sample allocations for the three designs of interest. We then propose the utility maximization framework borrowed from microeconomics to illustrate a possible approach to the choice of the design that strives to optimize several variances simultaneously. Incorporating the contemporaneous means and their variances tends to shift the preferences from observation-panel towards simpler panel-cluster and independent designs if the panel mode of data collection is too expensive. We present numeric illustrations demonstrating how a survey designer may want to choose the efficient design given the population parameters and data collection cost.
Release date: 2011-06-29 - 5. Breast cancer incidence and neighbourhood income ArchivedArticles and reports: 82-003-X201100211426Geography: CanadaDescription:
This study examines the association between neighbourhood income and the diagnosis of female breast cancer. Population data from the Canadian Cancer Registry were used to calculate national age-specific and age-standardized rates of breast cancer from 1992 through 2004 by neighbourhood income quintile and region.
Release date: 2011-04-20 - Articles and reports: 82-003-X201100111404Geography: CanadaDescription:
This study assesses three child-reported parenting behaviour scales (nurturance, rejection and monitoring) in the National Longitudinal Survey of Children and Youth.
Release date: 2011-02-16
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Articles and reports (6)
Articles and reports (6) ((6 results))
- Articles and reports: 21-004-X201100111412Geography: CanadaDescription:
Statistics Canada administers six surveys per year to collect information on intended, seeded and harvested acreages, yields, production and stocks of principal field crops, and publishes these survey estimates in the Field Crop Reporting Series (FCRS). This paper analyses short-term movements in weekly crop prices from the week before the releases of FCRS to the week after the releases. Field crops included in this study are oats, canola, corn, flax, barley and wheat, while specialty crops studied are sunflower seed, canary seed, field peas, lentils, mustard seed, chick peas and green peas. The data for field crops cover a period from 1990 to 2009 and that for specialty crops cover varying periods from 1992 to 2009 based on their availability. The results reveal that the price changes before and after the official releases of FCRS tend to even out over time. The results also suggest that prices after the releases are as likely to increase as they are to decrease. Based on the findings, the study concludes that the publication of statistics in the FCRS has no systematic effect on crop prices. The results are consistent with the findings of the National Agricultural Statistics Service of the United States Department of Agriculture.
Release date: 2011-12-22 - Articles and reports: 82-003-X201100411598Geography: CanadaDescription:
With longitudinal data, lifetime health status dynamics can be estimated by modeling trajectories. Health status trajectories measured by the Health Utilities Index Mark 3 (HUI3) modeled as a function of age alone and also of age and socio-economic covariates revealed non-normal residuals and variance estimation problems. The possibility of transforming the HUI3 distribution to obtain residuals that approximate a normal distribution was investigated.
Release date: 2011-12-21 - 3. Natural resource wealth, 2010 ArchivedArticles and reports: 16-002-X201100311549Geography: CanadaDescription: Canada is endowed with substantial reserves of natural resources, from energy and minerals in the ground to accessible stands of timber in forests. This article provides a brief overview of recent trends in Canada's natural resource wealth, which reflects the current dollar value of selected natural resource reserves.Release date: 2011-09-20
- 4. Cost efficiency of repeated cluster surveys ArchivedArticles and reports: 12-001-X201100111449Description:
We analyze the statistical and economic efficiency of different designs of cluster surveys collected in two consecutive time periods, or waves. In an independent design, two cluster samples in two waves are taken independently from one another. In a cluster-panel design, the same clusters are used in both waves, but samples within clusters are taken independently in two time periods. In an observation-panel design, both clusters and observations are retained from one wave of data collection to another. By assuming a simple population structure, we derive design variances and costs of the surveys conducted according to these designs. We first consider a situation in which the interest lies in estimation of the change in the population mean between two time periods, and derive the optimal sample allocations for the three designs of interest. We then propose the utility maximization framework borrowed from microeconomics to illustrate a possible approach to the choice of the design that strives to optimize several variances simultaneously. Incorporating the contemporaneous means and their variances tends to shift the preferences from observation-panel towards simpler panel-cluster and independent designs if the panel mode of data collection is too expensive. We present numeric illustrations demonstrating how a survey designer may want to choose the efficient design given the population parameters and data collection cost.
Release date: 2011-06-29 - 5. Breast cancer incidence and neighbourhood income ArchivedArticles and reports: 82-003-X201100211426Geography: CanadaDescription:
This study examines the association between neighbourhood income and the diagnosis of female breast cancer. Population data from the Canadian Cancer Registry were used to calculate national age-specific and age-standardized rates of breast cancer from 1992 through 2004 by neighbourhood income quintile and region.
Release date: 2011-04-20 - Articles and reports: 82-003-X201100111404Geography: CanadaDescription:
This study assesses three child-reported parenting behaviour scales (nurturance, rejection and monitoring) in the National Longitudinal Survey of Children and Youth.
Release date: 2011-02-16
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