This paper provides a look into what Lucas meant by the term ‘analogue systems’ and how he conceived making them useful. It is argued that any model with remarkable predictive success can be regarded as an analogue system, the term is thus neutral in terms of usefulness. To be useful Lucas...

This introductory paper offers a look into the intellectual and technical progress that led Robert E. Lucas to his seminal paper entitled Expectations and the neutrality of money. It is argued that the neutrality paper applies the capital-theoretic approach of Lucas’s firm microeconomics of...