3 papers
math.ST2026
Revisiting "A universal model for the Lorenz curve with novel applications''
José MarÃa Sarabia, Vanesa Jordá, Mercedes TejerÃa +1
This research reviews several crucial aspects of the universal model for the Lorenz curve proposed by Sitthiyot and Holasut (2023) (hereafter, SH (2023)). A first issue concerns th…
cs.LG2026
Measuring Poverty and Inequality with Reduced Data: A Machine Learning Approach Using Nigerian Household Data
Vanesa Jordá, Miguel Niño-Zarazúa
Reliable measurement of income and consumption is essential for monitoring poverty and inequality in low- and middle-income countries, yet full household surveys are costly and dif…
stat.AP2026
Beyond the Beta Lorenz Curve: A New Parametric Family for Poverty and Inequality Estimation
José MarÃa Sarabia, Vanesa Jordá, Emilio Gómez-Déniz
The estimation of inequality and poverty measures is frequently constrained by a lack of individual data. When only income shares are available, the Beta Lorenz curve introduced by…