%0 Conference Paper %K Electricity markets %K Ancillary services %K Demand response %K Smart grid %K Aggregation %K Institutional barriers %K Operating reserves %K Demand-side storage %K System flexibility %A Ookie Ma %A Nasr Alkadi %A Peter Cappers %A Paul Denholm %A Junqiao Han Dudley %A Sasank Goli %A Marissa Hummon %A Sila Kiliccote %A Jason S MacDonald %A Nance Matson %A Daniel Olsen %A Cody Rose %A Michael D Sohn %A Michael Starke %A Brendan J Kirby %A Mark O'Malley %B IEEE Transaction on Smart Grid %D 2013 %G eng %S IEEE Transaction on Smart Grid %T Demand Response for Ancillary Services %V 4 %8 12/2013