Design de produitsthumb|Fauteuils design Le design de produits est une conception d'objets usuels répondant à des fonctions au service de l'homme. Plusieurs établissements proposent aujourd'hui un DNMADE (anciennement BTS) design de produits. Design et marketing : Fondements et Méthodes, L'Harmattan, 2007, p.383 Jean-Jacques Urvoy, Sophie Sanchez, Le designer: De la conception à la mise en place du projet, Eyrolles, 2011, p.127 École Boulle, les ateliers et formations au design de produits École supérieure de Design des Lan
Consumption functionIn economics, the consumption function describes a relationship between consumption and disposable income. The concept is believed to have been introduced into macroeconomics by John Maynard Keynes in 1936, who used it to develop the notion of a government spending multiplier. Its simplest form is the linear consumption function used frequently in simple Keynesian models: where is the autonomous consumption that is independent of disposable income; in other words, consumption when disposable income is zero.
Range anxietyRange anxiety is the driver's fear that a vehicle has insufficient energy storage (fuel and/or battery capacity) to cover the road distance needed to reach its intended destination, and would thus strand the vehicle's occupants mid-way. The term, which is now primarily used in reference to the practical driving range of battery electric vehicles (BEVs), is considered to be one of the major psychological barriers to large-scale public adoption of electric cars.