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Debt Management Problems and Topics ...

Jiang, Yilun.

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Debt Management Problems and Topics in Stackelberg Equilibrium.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Debt Management Problems and Topics in Stackelberg Equilibrium./
作者:	Jiang, Yilun.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2019,
面頁冊數:	207 p.
附註:	Source: Dissertations Abstracts International, Volume: 80-12, Section: B.
Contained By:	Dissertations Abstracts International80-12B.
標題:	Applied Mathematics. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=13917921
ISBN:	9781392318546

Debt Management Problems and Topics in Stackelberg Equilibrium.
Jiang, Yilun.

Debt Management Problems and Topics in Stackelberg Equilibrium. - Ann Arbor : ProQuest Dissertations & Theses, 2019 - 207 p.

Source: Dissertations Abstracts International, Volume: 80-12, Section: B.

Thesis (Ph.D.)--The Pennsylvania State University, 2019.

The dissertation contains two parts. In the first part of the dissertation, we study optimal strategies for a borrower who needs to repay his debt, in an infinite time horizon. An instantaneous bankruptcy risk is present and the borrower refinances the debt by selling bonds to a pool of risk-neutral lenders. We consider both open-loop and feedback strategies. For open-loop strategies, we interpreted them as Stackelberg equilibria, where the borrower announces his repayment strategy at all future times, and lenders adjust the interest rate accordingly. Our analysis shows the existence of optimal open-loop controls, deriving necessary conditions for optimality and characterizing possible asymptotic limits as t → +1. For feedback strategies, we study the solution of a Hamilton-Jacobi equations and construct it as the limit of viscous solutions. Under suitable assumptions, this (possibly discontinuous) limit can be interpreted as an equilibrium solution to a non-cooperative differential game with deterministic dynamics.In the second part of the dissertation, we study the structure of the best reply map for the follower and the optimal strategy for the leader in a non-cooperative Stackelberg game. The two players choose their strategies within domains X ⊆ Rm and Y ⊆ Rn. Two main cases are considered: either X = Y = [0; 1], or X = R, Y = Rn with n ≥ 1. Using techniques from differential geometry, we prove that for an open dense set of cost functions the Stackelberg equilibrium is unique and is stable w.r.t. small perturbations of the two cost functions. Then we introduce a concept of "self consistent" Stackelberg equilibria for stochastic games in infinite time horizon, where the two players adopt feedback strategies and have exponentially discounted costs. We focus on games in continuous time, described by a controlled Markov process with finite state space. Under generic assumptions, we prove that a unique self-consistent Stackelberg equilibrium exists, provided that either (i) the leader is far-sighted, i.e. his exponential discount factor is sufficiently small, or (ii) the follower is narrow-sighted, i.e. his discount factor is large enough.

ISBN: 9781392318546Subjects--Topical Terms:

1669109
Applied Mathematics.

Debt Management Problems and Topics in Stackelberg Equilibrium.
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