In 1949, A. W. H. (Bill) Phillips and Walter Newlyn designed and built an electro-hydraulic dynamic model of the macroeconomy of a country. It was the first analog computer to solve the nonlinear coupled differential equations of mid-twentieth century economic theory and led to the use of...

Attention is a pivotal resource in the modern economy and plays an increasingly prominent role in economic analysis. We summarize research on attention from both psychology and economics, placing a particular emphasis on its capacity to explain numerous documented violations of classical...