Learn More
This paper addresses a set of methodological problems arising in the empirical validation of agent-based (AB) economics models and discusses how these are currently being tackled. These problems are generic for all those engaged in AB modelling, not just economists. The discussion is therefore of direct relevance to JASSS readers. The paper has two(More)
This paper addresses the methodological problems of empirical validation in agent-based (AB) economics models and how these are currently being tackled. We first identify a set of issues that are common to all modellers engaged in empirical validation. We then propose a novel taxonomy, which captures the relevant dimensions along which AB economics models(More)
As people become richer they get the opportunity of consuming more but also qualitatively better goods. This holds for a basic commodity like food as well. We investigate food consumption in Russia, taking into account both expenditure and nutrition value in terms of calories. We analyze how food consumption patterns change with increasing income by(More)
This paper addresses the problem of finding the appropriate method for conducting empirical validation in agent-based (AB) models, which is often regarded as the Achilles' heel of the AB approach to economic modelling. The paper has two objectives. First, to identify key issues facing AB economists engaged in empirical validation. Second, to critically(More)
This paper reviews a class of methods to perform causal inference in the framework of a structural vector autoregressive model. We consider three different settings. In the first setting the underlying system is linear with normal disturbances and the structural model is identified by exploiting the information incorporated in the partial correlations of(More)
– Tremendous development in the last 20 years – Quite successful in exploring market-and industry-dynamics – Emergence of macro properties out of dynamics involving non-trivial interactions among simple micro-economic entities Motivations (1/2) • Agent-Based Models (ABM) in Economics – Tremendous development in the last 20 years – Quite successful in(More)
Simulated models suffer intrinsically from validation and comparison problems. The choice of a suitable indicator quantifying the distance between the model and the data is pivotal to model selection. However, how to validate and discriminate between alternative models is still an open problem calling for further investigation, especially in light of the(More)