On Validity Of The Statistic Indicator Of Investment In Fixed Assets

As a vital indicator of national statistical system, Investment in Fixed Assets (IFA) is makingmore and more significant effect in national economic decision-making from 1950's. Thisdissertation is a study on validity of IFA. The study makes a conclusion that the validity of IFA isdistinctly deficient. Whereupon, it suggests the indicator be abandoned.According to theories on statistical indicator evaluation, validity is much more essential thanreliability for an indicator. Study on validity of an indicator should focus on the constructingprocess of it. Qualitative analysis is usually the main method to do the study.With regard to the constructing process of IFA, there is too much discrepancy between theoriginal intention, theoretic definition and operational definition. The regulations aboutmeasurement and computation are illogical in some respects. The indicator is proved to bealmost invalidity.Concerning the measuring process of IFA, the study unveils the courses of producing the originalfigures. All the original figures are produced to complete the dealing of construction bycontractors. By way of statistics, the figures are technically and procedurally invalidity. It isillustrated with BARP project.The thesis concludes that the validity of IFA is distinctly deficient. Some short-term methods canbe tried to solve the problem. In view of long-term solution, IFA indicator should be abandoned.In the end, some suggestions are brought forward in principle.