This paper concerns a neglected aspect of Lucas's work: his methodological writings, published and unpublished. Particular attention is paid to his views on the relationship between theory and ideology. I start by setting out Lucas's non-standard conception of theory: to him, a theory and a...

This paper's aim is to offer a reconstruction of the Marshallian conception of equilibrium and time. Its main features are as follows. First, I argue that the hallmark of this conception is to posit an interrelationship between two equilibrium concepts — market-day and normal equilibrium. I...