According to the additional budget mentioned above, most of the allotted
expenditures are aimed to be spent for the programs specified by the Abhisit
government. It should ask that why the authorized budget already granted by the
Annual Budget Act, which was enacted before Abhisit took the premiership, is unable
to accommodate the demands of the government. In general, the interesting question is
that what factors determine behaviors of the Thai government in dealing with the
budgeting system? To answer these questions, this article focuses on the budgeting
system of Thailand.