Olvera, Lourdes Diaz; Plat, Didier; Pochet, Pascal - HAL - 2008
conditioned by survey data collection methodologies and by the choice of equivalence scales used to compare the standard of living … of households. According to consumption and expenditure survey data, the relative amount spent on transport increases as … household expenditure rises. Conversely, the share of transport decreases as income rises when analysing travel survey data. The …