madrid spanish economy could grow less initially expect 2018 due uncertainty catalonia deputy prime minister soraya sainz de santamaria say friday wealthy region intention break away referendum plunge spain bad political crisis since attempt military coup 1981. events experience catalonia make us prudent sainz de santamaria say weekly cabinet meet fact quick solution issue force low expectations economic growth year 2018 say government expect spain economy grow 2.6 percent 2018. deputy prime minister also say hotel reservations catalonia currently fall 20 percent 30 percent spain 2018 economic growth forecast risk due catalonia deputy pm