brussels spain economy expect impact political crisis catalonia next year spanish economy minister luis de guindos say monday 2018 expect growth 2.3 percent would 2.7 2.8 percent without catalan issue tell reporters arrive meet eu counterparts government already low 2018 forecast 2.6 percent 2.3 percent last month due catalonia version story correct quote catalan crisis impact spain 's 2018 growth de guindos