When policymakers and private agents use models, the economists who design the model have an incentive to alter it in order to 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...

This paper provides some elements to explain the observed takeover in some urban areas of a new kind of elite associated with new economy jobs, also known as "bourgeois boheme" (bobos). This takeover has been associated with greater investment in urban amenities and "clean" means of transport,...

This paper provides some elements to explain the observed takeover in some urban areas of a new kind of elite associated with new economy jobs, also known as "bourgeois bohème" (bobos). This takeover has been associated with greater investment in urban amenities and "clean" means of transport,...