vacuum cleaners, talkies(movies with audio sounds) safe shaving items, jazz, lots of things were invented in the Roaring Twenties.
They had more money to buy the goods with because of the economic growth.
Americans purchased many consumer goods on credit.
development of many new consumer goods
reducing prices of consumer goods.
the Installment Plan
Stock market crash due to buying on margin and overextention of credit to buy consumer goods.
Credit became widely used for purchasing consumer good for the first time in the 1920s. Prior to this time it was only used by the very wealthy.
Final goods and services are included in GDP because they are only going to be sold once. Intermediate goods aren't included because they are goods that contribute to present or future consumer welfare but are not direct sources of utility themselves. hope it helps a little.
In the 1920s the most popular way to purchase expensive goods was through installment plans. Allowing people to purchase things through installment plans helped to fuel consumerism.
Goods or services bought by a consumer are bought in the consumer market. The consumer market includes fast moving consumer goods, consumer durables, soft goods and services.
television
Advertising has had impact from the moment it was first used to introduce the masses to consumer goods. In the 1920s advertising reflected the feeling of the era by the way it was designed and how well it was used to promote the good times of the day.