The Japanese noun '経済 (けいざい)' means 'economy'. It refers to the system of production, distribution, and consumption of goods and services in a country or region. This word is commonly used in discussions about economic policies, market conditions, and financial systems. For example: The economy is growing「経済が成長している」(けいざいがせいちょうしている). Studying economics is important「経済学を勉強することは重要だ」(けいざいがくをべんきょうすることはじゅうようだ). The word can also appear in compound terms like '経済政策 (けいざいせいさく)' (economic policy) or '経済成長 (けいざいせいちょう)' (economic growth).