""The Unseen Foundations of Society"" is a book written by George Douglas Campbell, also known as the Duke of Argyll, in 1893. In this book, Campbell examines the fallacies and failures of economic science due to neglected elements. He argues that economic science has focused too much on visible and measurable factors, such as money and production, and neglected the unseen and intangible factors that also play a significant role in society, such as...