| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | barter trade and informal economy | Developing countries | In developing countries, barter trade is part of the informal economy and trade sector. | 1 |
| 2 | barter trade and informal economy | Highly regulated economies | Barter trade and informal economy are considered unauthorized or unregulated forms of trade in highly regulated economies. | 1 |