See PUEC-UNAM (2013). This means that, on average, residents in this neighbourhood have transport expenses of MXN 1 500 per month, which represents 80% of the average monthly payments for houses acquired in the neighbourhood. Based on various sources (inhabitants, commercial agents, transport service providers and field visits), it is estimated that 30-40% of houses in Paseos de San Juan are vacant (Negrete, and Paquette Vassalli, 2011).