But with economic knowledge at its current state , functional form assumptions are never really convincing .
This lends importance to the question I ask and to its answer : One can indeed often draw valid general comparative statics inferences from special cases .
But with economic knowledge at its current state , functional form assumptions are never really convincing , and this lends importance to the question I ask and to its answer : One can indeed often draw valid general comparative statics inferences from special cases .