. Spending was boosted by the government’s stimulus measures and the export sector was supported by brightening global economic prospects. However, any potential Thai economic recovery over the rest of the
emissions per p-km and t-km than other modes of travel. Table 4 shows various relevant emissions estimates from the literature for rail and road. From these figures it can reasonably be inferred that direct
; Madueno et al., 2016; Nicolosi et al., 2014). A latent variable is not directly observed but rather inferred from other proxies that can be measured. Given several sub-varieties of latent variable analysis