This paper investigates, in a simplified macro context, the joint determination of the (incorrect) perceived model and the equilibrium. I assume that the model is designed by a self-interested economist who knows the true structural model, but reports a distorted one so as to influence outcomes....

This paper studies the trade-offs that an expert with ideological biases faces in designing his model. I assume the perceived model must be autocoherent, in that its use by all agents delivers a self-concerming equilibrium. The exercise is carried in the context of a simplified AS-AD model,...

When policymakers and private agents use models, the economists who design the model have an incentive to alter it in order influence outcomes in a fashion consistent with their own preferences. I discuss some consequences of the existence of such ideological bias. In particular, I analyze the...

In this study, we perform a quantitative assessment of the role of money as an indicator variable for monetary policy in the euro area. We document the magnitude of revisions to euro area-wide data on output, prices and money, and find that monetary aggregates have a potentially significant role...

Widespread concern has been expressed that the costs of reducing environmental pollution in Eastern Europe will divert resources that would otherwise be available for industrial modernization. In fact, apart from a number of severely damaged areas, the general level of exposure to major...

The purpose of this paper is to investigate how energy policy should respond to the changes in the organisation of energy sector associated with privatisation. The paper begins with a brief review of how energy policy was perceived before the 1973 oil shock, and the lessons learned from...

We analyze the joint dynamics of religious beliefs, scientific progress and coalitional politics along both religious and economic lines. History offers many examples of the recurring tensions between science and organized religion, but as part of the paper’s motivating evidence we also...

To what extent has Sub-Saharan Africa’s slow economic growth over the past five decades been due to price and trade policies that have discouraged production of agricultural relative to non-agricultural tradables? This paper uses a new set of estimates of policy distortions to relative prices...