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Modelling Competitive Mortgage Termination Option Strategies: Default vs Restructuring and Prepayment vs Defeasance

Lok Man Michel Tong and Gianluca Marcato

ERES from European Real Estate Society (ERES)

Abstract: We build a two-stage competing risk model for pricing four types of early Termination options written on commercial mortgages: default vs restructuring and prepayment vs defeasance as two pairs of competitions. It is the first study to consider restructuring as a “competitor” with default. The key feature of our model is to introduce collateral underlying property market supply constraints into a property Price process which would determine values of early termination options. Our simulations find out greater probability to restructure mortgages by reducing interest and extending maturity and to prepay in cash. We also prove that tightening property supply constraints pushes up values of default, restructuring and prepayment by pricing their analogous options: default (a series of compound European Call on Put options), mortgage restructuring (an exchange option between mortgages with different cash flow structures), prepayment in cash (a series of compound European Call on Call options),and defeasance (an exchange option of more liquid assets with less liquid ones)in different scenarios. Therefore, we suggest controlling property supply constraints as an alternative risk management measure for mortgage markets.

Keywords: Defeasance; Mortgage Default; Prepayment; Property Supply Constraints; Restructuring (search for similar items in EconPapers)
JEL-codes: R3 (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-cmp, nep-rmg and nep-ure
Date: 2018-01-01
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Handle: RePEc:arz:wpaper:eres2018_300