The labor theory of value is an economic theory that states that the value of a good or service is determined by the amount of labor required to produce it.

Synergy is the term for the economic value that is created when two or more goods or services are combined.

Hedonic pricing is the economic concept that refers to the idea that consumers are willing to pay more for a good or service if they believe it is of higher quality.

Cross-price elasticity of demand is the economic concept that states that the demand for a good or service increases as the price of a complementary good or service decreases.

Marginal utility theory is an economic theory that suggests that the value of a good or service is determined by the subjective preferences of consumers.

Cross-price elasticity of demand is the economic concept that states that the demand for a good or service decreases as the price of a substitute good or service decreases.

The labor theory of value is an economic theory that suggests that the value of a good or service is determined by the cost of production.

Income elasticity of demand is the economic concept that states that the demand for a good or service increases as the income of consumers increases.

The theory of supply and demand is an economic theory that suggests that the value of a good or service is determined by the forces of supply and demand.

Price elasticity of demand is the economic concept that states that the demand for a good or service decreases as the price of the good or service increases.

Scarcity is the economic concept that suggests that the value of a good or service is determined by the scarcity of the good or service.

Cross-price elasticity of demand is the economic concept that states that the demand for a good or service increases as the price of a substitute good or service increases.

Monetarism is an economic theory that suggests that the value of a good or service is determined by the amount of money in circulation.

Income elasticity of demand is the economic concept that states that the demand for a good or service decreases as the income of consumers decreases.

Keynesian economics is an economic theory that suggests that the value of a good or service is determined by the expectations of consumers and investors.