Yves Moulin, Antony Kuhn, Hélène Rainelli-Weiss. Valuation on the market for collection stamps: How do Judgement devices survive the move to electronic markets?. 31st EGOS Colloquium – Organizations and the Examined Life: Reason, Reflexivity and Responsibility, ALBA Graduate Business School at The American College of Greece, Jul 2015, Athens, Greece.