Financial markets currently offer various investment alternatives, including a variety of assets, which are differentiated by the level of profitability, liquidity, volatility and trading volume associated with them, among other characteristics of the market; it which implies that investors use...

The aim of this work is to study the degree of efficiency achieved by foreign banks installed in Spain between 2000 - 2020 throu gh 2 non - parametric models, one static, the data envelopment analysis (DEA), and another dynamic, the Malmquist Productivity Index (MPI). The results of DEA model...