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  • 1
    Electronic Resource
    Electronic Resource
    DATA REVISIONS AND FORECASTING ACCURACY: AN ECONOMETRIC ANALYSIS BASED ON PRELIMINARY AND REVISED NATIONAL ACCOUNTING ESTIMATES (1973)
    Oxford, UK : Blackwell Publishing Ltd
    Review of income and wealth 19 (1973), S. 0 
    Details
    ISSN: 1475-4991
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: This paper entails an investigation of the effects of data revisions on forecasting accuracy, through use of preliminary and revised national accounting data compiled by the United Nations. A small model was estimated for each of fourteen countries and ex post“forecasts” generated for each country and each year of the period 1957–1964, using first preliminary and then revised data.A prior analysis of the data revisions indicated a strong and widespread tendency for the preliminary estimates to understate both levels and year-to-year changes. This is consistent with the findings of other studies.Two sets of forecasts obtained from the reduced form of the model were considered in relation to “actual” levels and changes, obtained from the revised data, and also in relation to each other. A strong downward bias was observed in the forecasts of levels based on preliminary data, and a weaker one in the forecasts of changes. The forecast discrepancies for different variables were found to be significantly correlated.The results suggest that a tendency toward understatement in preliminary data may account in part for the general tendency toward understatement in forecasts noted in other studies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1475-4991.1973.tb00901.x
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  • 2
    Electronic Resource
    Electronic Resource
    Effect of Further Processing Systems on Selected Microbiological Attributes of Turkey Meat Products (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 47 (1982), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Effects of carcass transfer and line transport, deboning, protein extraction and product wrapping, meat blending, product packaging and cooking-smoking procedures on microbiological concentrations were evaluated. Increased mesophilic bacterial numbers were associated with carcass transfer and line transport with no effects on other bacterial concentrations. Hand deboning increased bacteria on breast and thigh tissue. Mechanical deboning increased bacterial content. Protein extraction and product wrapping produced minor effects. Bacterial numbers from meat blends reflected combination of input components. Product packaging exerted minor effects on numbers of bacteria from raw product. Handling required in packaging cooked product produced increases in tissue bacterial content. Cooking and smoking procedures were equally effective in reducing bacterial contents to essentially negative concentrations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1982.tb11062.x
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