A more thorough explanation:

Definition: A fair where laborers of both sexes offer themselves for hire and fixed labor rates are announced. It is also known as Statute Fair.

Example: In medieval England, a MOP was held annually in many towns. During this fair, laborers would gather to offer their services to potential employers. The employers would announce the fixed labor rates for the year, and the laborers would negotiate their wages based on their skills and experience.

Explanation: The example illustrates how a MOP was a significant event for laborers and employers in medieval England. It was an opportunity for laborers to find work and negotiate their wages, and for employers to hire skilled workers at a fair price. The MOP was an essential part of the labor market in medieval England, and it helped to regulate the wages and working conditions of laborers.