Finance (3) Finance (3) test (2) littérature (2) information (2) Literature (2) technologie (1) productivité (1) prix (1) investissement (1) analyse (1) exploration (1) évolution (1) coût (1) méthode (1) Case (1) Observations (1) Methods (1) Observations (1) Forms (1) Data envelopment analysis (1) Weights and measures (1) Technology (1) Series (1) Securities (1) Performance (1) Nature (1) Investments (1) Hypothesis (1) Grammar, Comparative and general--Case (1)