Abstract: Many academic economists take it as a matter of course that economics should become a natural science. Such a characterization misses an essential aspect of a social science, namely reactivity, i.e. human beings systematically respond to economic data, and in particular to interventions by economic policy, in a foreseeable way. To illustrate this finding, the paper uses examples from different fields: happiness policy, world heritage policy, and science policy. Reactivity requires a different policy approach from governments claiming to maximiz...
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Topics: 
Positive economics
Public economics