Issue-Based and Proportionate Costs Decisions - Arbitration: The International Journal of Arbitration, Mediation and Dispute Management View Issue-Based and Proportionate Costs Decisions by - Arbitration: The International Journal of Arbitration, Mediation and Dispute Management Issue-Based and Proportionate Costs Decisions 75 1 Arbitration: The International Journal of Arbitration, Mediation and Dispute Management