Think of allocative efficiency like making sure everyone gets their favorite toy to play with. If mommy gives all the toys to the big brother and ignores the little sister who loves dolls, then there's not allocative efficiency. Allocative efficiency means giving equal attention to everyone's needs and wants.
When we apply this concept to economics, it means making sure that resources like money, time, and labor are distributed in the best way possible. This means producing the right amount of goods and services that people want and need, without wasting any resources.
For example, imagine a toy company decides to produce only red fire trucks because they are easier to make and more profitable. However, the customers really want blue fire trucks. The company is not being allocatively efficient because they are not meeting the preferences and desires of the customers.
On the other hand, if a farmer decides to grow more apples because there is a high demand for them in the market, then they are being allocatively efficient. They are producing something that people want and are willing to pay for, while using their resources effectively.
In summary, allocative efficiency is like making sure that mommy gives everyone equal attention and makes everyone happy, but in economics, it means using resources in a way that satisfies the needs and desires of society.