We show that larger trades incur lower trading costs in government bond markets (“size discount”), but costs increase in trade size after controlling for clients’ identities (“size penalty”). The size discount is driven by the cross-client variation of larger traders obtaining better...

We show that larger trades incur lower trading costs in government bond markets ('size discount'), but costs increase in trade size after controlling for clients’ identities (‘size penalty’). The size discount is driven by the cross‑client variation of larger traders obtaining better...

Using a unique regulatory dataset with disclosed counterparty identities, we show that clients in corporate bond markets outperform when they trade with more dealers. The effect is stronger for informationally sensitive clients, assets, and during informationally intensive periods including...