Bangkok is the commercial capital for imports and exports, of not only Thailand, but also the entire Southeast Asia. Agriculture had been the main source of income of Thailand for centuries. Now with the expansion of agricultural sector, it accounts for 25% of GDP. The agricultural commodities constitute 60% of the exports. Tourism is also a fast-developing industry with the exponential increase in the number of visitors to Thailand.
Bangkok Metropolitan Administration or BMA is the sole governing authority of Bangkok city. The Governor heads the BMA and is elected by the people of the city for a four-year term. The Governor appoints four deputies to help in the administrative matters. BMA receives financial aid from the central government.