기회비용

A time of intense difficulty, trouble, or danger. It is a critical turning point where a situation may significantly worsen or improve.

The act of flowing or coming into a place. It is used for liquids, populations, capital, or influence moving into a specific area.

The state of changing or fluctuating. It is mostly used to describe changes in numbers, prices, weather, or unstable situations.

To be at a standstill or to stagnate. It is used for traffic, economic growth, or progress that has stopped moving forward.

Characterized by the concentration of resources, effort, or information in a small area or a short period. Often used in terms like 'labor-intensive' or 'knowledge-intensive'.

To be very rare or scarce, meaning the supply is much less than the demand. It is a fundamental concept in economics regarding resource allocation.

The act of using up resources, goods, or services. It is a primary indicator of economic activity and consumer behavior.

The efficiency of production, typically measured as the ratio of output to input. It indicates how much is produced per unit of effort or time.

To move upward or to increase in value, level, or quantity. It is frequently used in academic contexts to describe rising trends in data or prices.

Utility or usefulness; the quality of being effective and helpful for a specific purpose. It often refers to the practical value derived from a resource or system.