The Effect of the Level of Development Threshold on the Impact of Human Capital on the Regional Economic Growth in Iran

determinants of economic growth, and the study of its impact on regional economic growth in different regions can help to develop those regions and neighboring areas. Some believe that a significant positive human capital effect can only be realized after the economy crosses the threshold level of development. Therefore, the purpose of this study is to analyze the effect of the threshold level of development on the impact of human capital on economic growth in Iran's provinces. For this purpose, the threshold method of panel data was used for 28 provinces of Iran during the period of 1380-1394. The findings show that there are two threshold values for the level of development, with the first threshold of the development level of 3/8134 and the threshold value of 5/460, and if the level of development is less than 3/8134, human capital will not affect economic growth. Was. But if the level of development is between 3/8134 and 5/46, with growth of 1% of human capital, economic growth will grow 0/08%, and if the level of development is above 5/46, with a 1% increase in human capital, economic growth of 0/175% will grow.