JoVE Logo

S'identifier

Chapter 5

Consumer Behavior

Notion d’utilité
Notion d’utilité
Customers use many products that give them pleasure or satisfaction. Utility refers to the measure of satisfaction or well-being that a consumer derives ...
Utilité marginale
Utilité marginale
Consider a girl riding her motorcycle under the hot sun, feeling thirsty. Spotting a gas station, she buys a bottle of water. This first bottle of water ...
Relation entre l’utilité totale et l’utilité marginale
Relation entre l’utilité totale et l’utilité marginale
Total utility, or TU, is the overall satisfaction with the consumption of all units of a product. Consider the utility that John gets from eating pizzas ...
Les préférences des consommateurs I
Les préférences des consommateurs I
Consumer preferences are based on a few assumptions that help simplify consumer behavior. A market basket or a bundle refers to a combination of goods and ...
Les préférences des consommateurs II
Les préférences des consommateurs II
The study of consumer behavior is based on a few assumptions regarding consumer preferences. The assumption of transitivity means that a customer's ...
Courbes d’indifférence
Courbes d’indifférence
An indifference curve is a graphical representation of a consumer's preferences. A consumer is indifferent among different combinations of two ...
Caractéristiques des courbes d’indifférence I
Caractéristiques des courbes d’indifférence I
Nancy loves coffee and sandwiches. Her preferences for various combinations of coffee and sandwiches consumed weekly are represented in IC1. It gives her ...
Caractéristiques des courbes d’indifférence II
Caractéristiques des courbes d’indifférence II
Suppose indifference curve IC1 represents John's preferences for weekly consumption of goods X and Y. Now imagine another indifference curve IC2, ...
Calcul du taux marginal de substitution
Calcul du taux marginal de substitution
The marginal rate of substitution, or MRS, is the rate at which a consumer is ready to give up one product in exchange for another while maintaining the ...
Taux marginal de substitution
Taux marginal de substitution
Marginal Rate of Substitution, or MRS, measures the amount of one good that a consumer can sacrifice in order to gain an additional unit of another good ...
Types de courbes d’indifférence
Types de courbes d’indifférence
Indifference curves are usually convex to the origin due to the diminishing marginal rate of substitution. However, the shape of indifference curves ...
Contrainte budgétaire I
Contrainte budgétaire I
Budget constraint helps to describe the combinations of products a consumer can afford to buy with their limited income. For instance, a student receives ...
Contrainte budgétaire II
Contrainte budgétaire II
The slope of the budget constraint represents the rate at which a consumer can trade one product for another. For example, a student spends his weekly ...
Facteurs influant sur les contraintes budgétaires I
Facteurs influant sur les contraintes budgétaires I
A Budget constraint or budget line represents the various combinations of two products a consumer can purchase, given their income and the prices of ...
Facteurs influant sur les contraintes budgétaires II
Facteurs influant sur les contraintes budgétaires II
A budget constraint or budget line is affected by a change in the income of the consumer. For instance, a student receives a weekly allowance of $100 that ...
Choix du consommateur I
Choix du consommateur I
Consumer choice involves selecting a combination of products as a market basket, or a product bundle. The chosen bundle should provide the highest level ...
Choix du consommateur II
Choix du consommateur II
Consumer choice involves selecting a bundle that provides the highest level of satisfaction to the consumer under the constraints of their budget. The ...
Choix du consommateur III
Choix du consommateur III
The optimal bundle that gives maximum satisfaction to a consumer lies at the point where the budget line touches the highest possible indifference curve. ...
L’effet total de la variation des prix
L’effet total de la variation des prix
When the price of a product changes, it affects the consumption behavior of the consumer. This change in consumption is called the price effect or the ...
Revenus et effets de substitution
Revenus et effets de substitution
When the price of a product changes, it affects the consumption behavior of the consumer. This change in consumption is called the total effect, which is ...
Courbe de prix consommation
Courbe de prix consommation
When the price of a good changes, the consumer purchases a different optimal bundle of the two goods in response to the price change. Each time the price ...
Dérivation de la courbe de demande à partir de la courbe de prix et de consommation
Dérivation de la courbe de demande à partir de la courbe de prix et de consommation
The price consumption curve shows how the optimal bundle changes with the change in prices of one good. For example, the student changed their purchase of ...
JoVE Logo

Confidentialité

Conditions d'utilisation

Politiques

Recherche

Enseignement

À PROPOS DE JoVE

Copyright © 2025 MyJoVE Corporation. Tous droits réservés.