Catalan economist Vicenç Navarro delivers view points whose argument sounds completely contrarian at this stage. While austerity may be debated over –at which degree should it be imposed and how quickly, so further spikes in sovereign debt can be avoided?–, the consensus bears little doubt: public investment must be dramatically lowered. It is the right medicine. But confronted with an increasingly stalled productivity and a disquieting unemployment rate, those of…