santiago conservative sebastian pinera chile presidential election wider-than-forecast margin sunday pledge jump-start economic growth world top copper exporter opt business-friendly policies center-left predecessor chile electoral authority call election former president pinera 54.58 percent vote compare 45.42 percent center-left alejandro guillier race consider toss-up end 68-year-old pinera govern 2010 2014 vote president since chile return democracy 1990. also big ever loss center-left coalition dominate chile politics since end augusto pinochet dictatorship neither pinera guillier mark dramatic shift chile long-standing free-market economic model pinera victory underscore increase tilt right south america follow rise conservative leaders peru argentina brazil due swear march 11. despite great differences large point agreement pinera say guillier supporters wave chilean flag downtown santiago streets santiago wealthy neighborhoods pinera take 90 percent vote residents blare horn support concession speech guillier call nine-point loss harsh defeat urge supporters defend progressive reform outgo president michelle bachelet second term pinera defeat guillier former tv anchorman current senator paint policies extreme country know moderation liken venezuela socialist president nicolas maduro guillier champion bachelet agenda reduce inequality make education affordable overhaul tax code investor favorite 250 billion economy pinera proposals see pro mine country copper king pledge support stable fund chile state-run miner codelco cobre.ul promise slash red tape bogged project bachelet campaign expose deepen rifts among chile bedrock center-left open pinera leverage rally centrist voters around proposals cut corporate tax double economic growth far leftist party make unexpected gain november first round pinera seize division campaign platform scale back perfect bachelet tax labor laws bachelet policies see many business community crimp investment time slump copper price weigh economy vote economy say jose oyaneder 54-year-old salesman campaign headquarter president business quite good hope time result tabulate two hours nearly million chileans cast ballot country 17 million people vote mandatory son prominent centrist politician pinera harvard-trained economist make fortune introduce credit card chile 1980s 2017 rank 745 forbes global rich list 2.7 billion fortune months aggressive campaign former president brandish business success first term office proof competence contrast guillier relative lack political executive experience pinera first administration mark vibrant economy lift boom copper price perhaps best remember spectacular rescue 2010 33 miners trap underneath atacama desert time power also mar incessant street protest thousands students seek education overhaul government responses often see touch pinera promise make chile first country latin america achieve develop nation status organization economic cooperation development paris-based club wealthy nations things fix health pension lot discrimination chile say laura garcia 64 work clean company faith pinera billionaire pinera recapture chile presidency resound win