1.   The essence of a private law employment relationship is a mutual obligation to engage in an economic exchange of labour in return for remuneration.

2.   The building of more roads, increasing urbanization and economic exchanges have all pushed ever more Nigerians to leave their historic home regions for other parts.

3.   The problem with authoritarian and totalitarian governments is that they deprive individuals of the freedom to pursue their self-interest by making spontaneous economic exchanges at will.

4.   We should be concerned about this old, yet enduring Emerald City-like vision of the great benefits and riches coming from unfettered economic exchange.

5.   Analysts in Seoul also expected the Hyundai deals to spur wide-ranging civilian economic exchanges between the rival Korean states, helping to ease tension on the divided peninsula.

6.   But South Korea has said that large-scale economic exchanges must await improvements in political ties.

7.   Economic exchange brings about social and moral consequences and universal human rights must be protected.

8.   Economic exchanges are limited and cultural ones nearly nonexistent.

9.   If tension eases, the two Koreas can start new large-scale economic exchanges and cooperation, Kim said.

10.   In conventional terms, money has its origins in the process of economic exchange.