Abstract
This research aims to identify and study the internal factors that can influence the financial performance of large Algerian companies and make them sustainable. This study is based on a sample of 78 large Algerian companies operating in four sectors: construction, trade, industry and services, over a period of four years from 2018 to 2021. For this purpose, we used the panel data regression method that takes into account both individual and temporal dimensions. The results of the statistical and econometric analysis showed that the debt ratios play negatively and very significantly on the economic profitability of large Algerian firms, it is also the case for the tangibility of assets, the sectors of activity, the public sector and the size of the firm. However, the capital turnover ratio and the age of the companies act favorably and significantly on their profitability. Self-financing, liquidity and the sector of activity present insignificant coefficients.
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