Many groups, such as women, Native Americans and African Americans, didn't prosper during the economic boom
Wealth was concentrated in the North-East and Far West, with the South-East remaining the poorest
In 1929, the income per capita was $921 in the North-East and only $365 in the South-East
The 1929 Brookings Institute found income inequality was worsening, with 60% of families earning less than $2000
Robert S Lynd and Helen Lynd found most people regardless of social class shared conservative social values of overcoming problems through hard work
Women mainly worked lower-paying jobs, with 700 000 working as domestic servants
Legislation aimed to help women like the 1921Sheppard-Towner Act, which funded healthcare for pregnant women, was criticised by suffragists
Policy towards Native Americans was dictated by the 1887Dawes Severalty Act: assimilation and allotment
African Americans were 10% of the population, but 85% of them lived in the poorer South. Migrants were subject to discrimination and overcrowding in the North
The price of wheat had fallen from $2.50 per bushel to only $1
During the 1920s, farm population fell by 5% but production increased by 9% because of technological advances in agriculture
Overproduction became an issue and prices fell below the 1914 'parity' (break-even) price
Up to 66% of farms operated at a loss
Most government tariffs were made to protect industry, rather than agriculture
The 1921Emergency Tariff Act and the 1922Fordney-McCumber Act placed heavy tariffs on food imports, but this only inspired retaliatory tariffs from other countries
Older industries concentrated in Illinois, Michigan and Pennsylvania like coal, cotton and the railways were outcompeted by oil, synthetic fibres and motor transport
Demand for goods fluctuated, creating employment instability
In 1924, 43% of workers had been jobless for over a month at some stage, when there was little welfare
Unions did not receive government protection and many employers imposed 'yellow dog' clauses on their employers, which meant that they couldn't unionise
By 1930, only 7.1% of industrial workers, were a member of a union
Credit and large-scale speculation were common
People bought land in Florida, investing in unseen development they hoped to quickly resell
People paid on credit, with only a 10% 'binder'
The Florida land boom required more buyers than sellers. Demand tailed off by 1926
Investment in the stock market grew in 1927, particularly as speculation of prices increasing to resell became popular
Stock in the Radio Corporation of America rose from 85 to 420 in 1928
1.5 million ordinary people invested
Bethlehem Steel Corporation invested $157 million in the market by late 1929. This could lead to bankruptcy
The central banking system was only created in 1913
12regulatory reserve banks, headed by the Federal Reserve Board, were created to allow banks to regulate themselves without government interference
The reserve banks represented the interests of bankers, not the people
The Federal Reserve Board kept the market buoyant through low interest rates. This fuelled easy credit
Local banks, which made up the majority of the USA's 30 000 banks, did not have to join the centralised system. They were too small to cope with financial problems
Small businesses were outcompeted by large corporations; for every 4 that succeeded, 3 failed
The number of motor companies fell from 108 in 1920 to only 44 in 1929
Overproduction was growing as demand lessened
Full-time employment was decreasing, with 80% of people living close to subsistence even when employed in 1929