Irritable means easy to irritate or bother.. If you have irritable skin, you get a rash from just about anything. An irritable person is not easy-going and often not very easy to be around. You might feel like you're walking on eggshells, or being extra careful not to upset your brother when he's in an irritable mood.
The economic problem. All societies face the economic problem, which is the problem of how to make the best use of limited, or scarce, resources. The economic problem exists because, although the needs and wants of people are endless, the resources available to satisfy needs and wants are limited. Resources are limited in two essential ways:
Economics can be confusing and finding a clear definition of economics can be a challenge. Most simply put, economics is the analysis of how people use the resources that are available to them. According to the American Economic Association, those resources include the time and talent people have available, the land, buildings, equipment and other tools on hand and the knowledge of how to combine them to create products and services.