This research investigates the effects of the refund depth and scope of price-matching on consumer perceptions of believability, value and patronage intentions. The results show that large depth refund increase the consumer patronage intentions by enhancing the value of price-matching guarantee, while the large depth refund still exerting a positive impact on the consumer believability of the price-matching guarantee. As the same logics, the large scope refund also increase the consumer patronage intentions in he same way.