Observed differentials among yield series for different types of long-term instruments--U.S. government bonds, municipal bonds, corporate bonds and residential mortgages--vary considerably over time.

The upward‐only lease is the dominant rental contract in the UK, while the turnover lease is widely used in the US retail sector. This paper compares and contracts the landlord rent options in these two leases, interpreting and extending the earlier simulation analysis of Booth and Walsh and...