Μελέτη του ακαθάριστου σχηματισμού παγίου κεφαλαίου σε επιλεγμένες ευρωπαϊκές χώρες
Study of the gross fixed capital formation in selected european countries

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Keywords
Ακαθάριστο Εγχώριο Προϊόν ; Μέθοδοι υπολογισμού Ακαθάριστου Εγχώριου Προϊόντος ; Επένδυση ; Ακαθάριστος σχηματισμός παγίου κεφαλαίου ; Απλή γραμμική παλινδρόμηση ; Gross domestic product ; Calculation of gross domestic product ; Investment ; Gross fixed capital formation ; Simple linear regressionAbstract
The purpose of this paper is the study of the gross fixed capital formation and the examination of the effect of it on the gross domestic product. Initially, in this paper, the methods for calculating the GDP are developed. The relationship between inflation and gross domestic product is briefly presented and it is examined whether GDP can be used as a reliable indicator of economic well-being. Afterwards, a key component of GDP, investment, is presented. A distinction is made between public and private investment and the concept of gross fixed capital formation as defined by the system of national accounts is presented. Reference is made to concepts related to investment such as the investment multiplier, the marginal efficiency of capital and the determinants of investment. In the third part, the empirical analysis is carried out. By performing simple linear regression with the least squares method, on a sample of forty observations, the quarters of the period 2013 – 2022, for ten European countries, the conclusions are drawn on the relationship between gross fixed capital formation and GDP. A satisfactory interpretive capacity of the linear estimation model is obtained and the statistical significance test of the β term of the regression confirms the reliability of the estimated model and the existence of a linear dependence relationship between gross fixed capital formation and gross domestic product.