This Working Paper has two principal objectives. The first is to describe the main trajectories of development of public expenditure aggregates in OECD countries during the period 1960-2001. The second is to provide a more detailed analysis of expenditure trends in these countries in the period...

Most research in economics models agents somehow motivated by outcomes. Here, we model agents motivated by procedures instead, where procedures are defined independently of an outcome. To that end, we design procedures which yield the same expected outcomes or carry the same information on...