Thailand has many compulsory saving schemes for income security at old age. A crucial question is whether how different saving schemes affect saving behavior of workers with different working status. Whether the dissimilar in saving is related to the observable characteristics of workers or is due to the effect of benefits in different saving schemes. It is essential to determine that compulsory saving schemes encourage formal workers to save more or discourage saving. At the same time, it must be determined whether informal workers who do not ...