What led to increased productivity in the 1920s?

In the 1920s, increased productivity was driven by several key factors, including advancements in technology, such as the widespread adoption of assembly line techniques pioneered by Henry Ford, which streamlined manufacturing processes. The growth of electricity and electrical appliances also enhanced efficiency in both homes and factories. Additionally, the expansion of the consumer market, fueled by rising incomes and credit availability, incentivized mass production and innovation in various industries. Together, these elements contributed to an era of economic growth and industrial efficiency.