The changing of Indonesia’s industrialization policy from inward oriented (importsubstitution) to outward oriented (export oriented) strategy has delivered Indonesia success in increasing its export within two last decade. Moreover, this strategy also has changed the composition of Indonesia’s export from primary based products (oil and agriculture) to secondary based products (manufacture).This study examines how so far the causality relationship between national income ofIndonesia and export by sector (agriculture, oil, and manufacture), and than comparingthis with Thai and Malaysia as LDCs in Asian. By using Granger’s causality test modifiedby Hsio’s criteria on quarterly data from 1982.1 – 2002.4, this paper concludes: (1)Indonesia’s na...