The effect of urban air pollutants in Germany: Fractional regressions models for second step DEA and SFA applied in Eco-Efficiency analyses¿ Victor Moutinho Mara Madaleno Pedro Macedo Publication Conference Name: , ICEE 2019- 4th International Conference on Energy and Environmental bringing together Engineering and Economics Year of Publication: 2019 Moutinho, V., Madaleno, M., & Macedo, P. (2019). The effect of urban air pollutants in Germany: Fractional regressions models for second step DEA and SFA applied in Eco-Efficiency analyses¿. In , ICEE 2019- 4th International Conference on Energy and Environmental bringing together Engineering and Economics. Identifiers Other Numbers: cv-prod-id-3798265 Locators Alternative titles Google ScholarBibTeXRIS