Economic Systems ← Back to Categories Ålas The Matao Iron Trade Part 3: Appropriation and Entanglement The Matao Iron Trade Part 2: Galleon Trading and Repatriation The Matao Iron Trade Part 1: Contact and Commerce Ancient CHamoru Fish Weirs (Gigao) Pattida: Dividing Family Land Among Children Ålas: Turtle Shell Ornaments Chenchule’: Social Reciprocity