経済

1. Origins, structure, and basic meaning

• Structure: 経済, read けいざい, means economic activity involving the production, exchange and consumption of goods and services.
• Basic usage: It is used for tourism's role in supporting a town or for studying a regional economy.
  • 観光はこの町の経済を支える大切な産業だ。

2. Common pitfalls and similar expressions

• The subject and the field in 経済学
  • 経済 means economic activity or its system, while 経済学 means the discipline that studies it.