The 4 Day WeekIn The 4 Day Week, entrepreneur and business innovator Andrew Barnes makes the case for the four day week as the answer to many of the ills of the 21st century global economy. Barnes conducted an experiment in his own business, the New Zealand trust company Perpetual Guardian, and asked his staff to design a four day week that would permit them to meet their existing productivity requirements on the same salary but with a 20% cut in work hours. The