“…A broad range of studies have highlighted the existence of such bidding behavior. In particular, earlier studies have analyzed jump bidding in the context of different types of ascending price auctions (e.g., [3], [4], [8], [10], [12], [14], [18], [21], [20], [24], [27], [28]). Theoretical studies have identified signaling and impatience as major explanations for jump bidding.…”