grievance noun [C]. âº a âcomplaint or a âstrong âfeeling that you have been âtreated unfairly: A âspecial âcommittee âinvestigates âprisonersâ grievances. (Definition of grievance from the Cambridge Academic Content Dictionary Â© Cambridge University Press).
Surplus goods refers to the profit made in an economy, these goods could be any number of things eg money, resources .... Surplus goods refers to the profit made in an economy, these goods could be any number of things eg money, resources .... Surplus goods are the result of an efficient economy usually one that is a free market economy.  Surplus goods are the result of an efficient economy usually one that is a free market economy. Minor edit?
Consumer surplus is defined as the difference between what consumers are willing to pay for a unit of the good and the amount consumers actually do pay for the product. Willingness to pay can be read off of a market demand curve for a product.