"'Big data' is now readily available to economic historians, thanks to the digitisation of primary sources, collaborative research linking different data sets, and the publication of databases on the internet. Key economic indicators, such as the consumer price index, can be tracked over long...

Americans love "this year's model," relying on the "new" to be always "improved." Enthusiasm for the new, says Stanley Buder, is essential to American business, where innovation and change stoke the engines of economic energy. To really understand the history of business in America, he argues,...