The crisis in Catalonia, sparked by the regional government’s illegal proclamation of an independent state last month, is already exacting a toll on the Catalan economy and threatens to seriously weaken the wider Spanish economy if the situation is prolonged.
http://www.realinstitutoelcano.org/wps/wcm/connect/01e82708-49a4-463c-a65a-a632517a2e80/Commentary-Chislett-Potential-impact-Catalan-crisis-Spanish-economy.pdf?MOD=AJPERES&CACHEID=01e82708-49a4-463c-a65a-a632517a2e80