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A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

169,341 papers · 148 categories

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48 results for proportional consumption

Study optimal investment and consumption strategies with various transaction costs.

problem Investment and consumption decisions under varying transaction costs.
method Dynamic programming and singular perturbation expansion for small cost-to-wealth ratio.
result Derive leading-order asymptotic formulas for no-trade regions and trading boundaries.

Paper solves complex investment-consumption problem with numerical methods.

problem Optimal investment and consumption strategies with proportional transaction costs.
method Monte Carlo simulation and finite difference method for approximating gradients.
result Numerical results validate optimal trading strategies and properties.

Paper finds closed-form solutions for tontine with bequest motive.

problem Finding optimal fractional consumption rate and bequest amount under bequest motive.
method Relaxing fixed proportions assumption, introducing bequest proportion as control function.
result Closed-form solutions for fractional consumption rate, wealth, bequest amount, and proportion.

In this paper, we work in the framework of the Merton problem but we impose a drawdown constraint on the consumption process. This means that consumption can never fall below a fixed proportion of the running maximum of past consumption. In terms of economic motivation, this constraint represents a type of habit format…

2012-10-18abs ↗pdf ↗

In this paper, optimal consumption and investment decisions are studied for an investor who can invest in a fixed interest rate bank account and a stock whose price is a log normal diffusion. We present the method of the HJB equation in order to explicitly solve problems of this type with modifications such as a fixed …

2014-09-13abs ↗pdf ↗

Investor optimizes consumption and trading with bonds, liquid, and illiquid assets.

problem Maximizing utility from consumption in a market with different types of assets.
method Characterization of optimal strategies via free boundary ODE with integral constraint.
result Explicit characterization of model parameters for well-posedness.

Modeling consumption and investment decisions with reference point and drawdown constraints.

problem Modeling consumption and investment decisions with reference point and drawdown constraints.
method Solving a stochastic control problem to derive value function, optimal consumption plan, and investment strategy in semi-explicit forms.
result Five important thresholds of wealth, all as functions of hh, and significant economic implications.

Optimal investment and consumption model with habit formation constraint.

problem Formulating an optimal investment and consumption model with habit formation constraint.
method Formulated an infinite-horizon optimal investment and consumption problem with habit formation model, derived explicit policies, and analyzed the system of differential equations.
result Optimal investment and consumption policies derived explicitly, showing different consumption and investment strategies based on habit formation level.

Investigates consumption and investment strategies with preference for liquid assets.

problem Infinite horizon consumption-portfolio problem with liquid and illiquid risky assets.
method Analyzes properties of value function, categorizes solvency regions, and characterizes optimal policy.
result Liquidity preference leads to higher liquid wealth and lower consumption, potentially negative allocation to illiquid asset.

In this article we consider a special case of an optimal consumption/optimal portfolio problem first studied by Constantinides and Magill and by Davis and Norman, in which an agent with constant relative risk aversion seeks to maximise expected discounted utility of consumption over the infinite horizon, in a model com…

2014-09-11abs ↗pdf ↗

Investment strategy to minimize lifetime drawdown risk.

problem Minimizing the risk of wealth dropping below a fixed proportion of maximum wealth.
method Optimal investment strategy under constant consumption rate, considering geometric Brownian motion.
result The optimal strategy depends on the relationship between maximum wealth and a critical value mm^*.

Deep neural network optimizes retirement consumption in defined contribution pensions.

problem Optimizing consumption in a defined contribution pension system.
method Formulated as a stochastic control problem, trained deep neural network policy.
result Deep neural network outperforms deterministic rules and adapts to market changes.

Study on investment and consumption strategy with transaction costs, focusing on a single illiquid asset.

problem Investment and consumption problem with transaction costs.
method Specialized to a case with zero transaction costs except for sales and purchases of a single asset, transformed HJB equation into a boundary value problem.
result Optimal trading strategy involves trading the illiquid asset only when its fraction of the total portfolio value falls outside a fixed interval.

A shadow price is a process lying within the bid/ask prices of a market with proportional transaction costs, such that maximizing expected utility from consumption in the frictionless market with this price process leads to the same maximal utility as in the original market with transaction costs. For finite probabilit…

2009-11-25abs ↗pdf ↗

Revisits consumption-investment problem with anticipative noise.

problem Revisits classical consumption-investment problem with anticipative noise.
method Models risky-asset returns through a general α-integral, interpolating between Itô, Stratonovich, and related conventions.
result Derives closed-form optimal policies for logarithmic utility and constant volatilities in a market with n risky assets.

Modeling retirement behavior with public pension, optimal consumption and housing decisions.

problem Retirement behavior, consumption, housing, investment, and public pension effects.
method Expected utility model, stochastic control problem, maximum likelihood method.
result Optimal housing, consumption, and risky asset allocation depend on age and wealth, sensitive to means-tested Age Pension.

We present an optimal investment theorem for a currency exchange model with random and possibly discontinuous proportional transaction costs. The investor's preferences are represented by a multivariate utility function, allowing for simultaneous consumption of any prescribed selection of the currencies at a given term…

2008-11-24abs ↗pdf ↗

We consider the problem of maximizing expected power utility from consumption over an infinite horizon in the Black-Scholes model with proportional transaction costs, as studied in Shreve and Soner [Ann. Appl. Probab. 4 (1994) 609-692]. Similar to Kallsen and Muhle-Karbe [Ann. Appl. Probab. 20 (2010) 1341-1358], we der…

2011-12-19abs ↗pdf ↗

We determine the optimal investment strategy of an individual who targets a given rate of consumption and who seeks to minimize the probability of going bankrupt before she dies, also known as {\it lifetime ruin}. We impose two types of borrowing constraints: First, we do not allow the individual to borrow money to inv…

2007-03-28abs ↗pdf ↗

Study optimizes insurance and investment strategies for risk-averse insurers under ambiguity.

problem Optimizing insurance and investment strategies for risk-averse insurers under ambiguity.
method Solves a coupled FBSDE to derive optimal strategies and value function.
result Optimal consumption, investment, and reinsurance strategies influenced by risk aversion and EIS.

We consider the classical Merton problem of lifetime consumption-portfolio optimization problem with small proportional transaction costs. The first order term in the asymptotic expansion is explicitly calculated through a singular ergodic control problem which can be solved in closed form in the one-dimensional case. …

2012-02-28abs ↗pdf ↗

In a market with one safe and one risky asset, an investor with a long horizon, constant investment opportunities, and constant relative risk aversion trades with small proportional transaction costs. We derive explicit formulas for the optimal investment policy, its implied welfare, liquidity premium, and trading volu…

2011-08-04abs ↗pdf ↗

Investors adjust spending based on a social norm, spending less during losses and more during gains.

problem Managing spending and portfolio decisions while adhering to a social norm.
method Formulated a preference ordering with two CRRA preference orderings, solved analytically and numerically.
result Annual spending should be lower than expected financial return and procyclical, with spending cuts following losses.

Develops a framework for optimal investment in assets with different liquidity constraints.

problem Optimal investment-consumption problem for a utility-maximizing investor with lower-bound constraints.
method Generalized martingale approach and decomposition of the problem into subproblems.
result Explicit formulas for optimal strategies derived for power-utility functions.

Introduces pro-rata rationing for groundwater markets to resolve supply-demand imbalances.

problem Resolving supply-demand imbalances in groundwater markets.
method Introduces a pro-rata rationing mechanism and analyzes its properties in markets with exogenous restrictions and a leader-follower setting.
result Pro-rata approach provides a unique and fair rationing device.

Study optimal retirement time and consumption with habitual persistence.

problem Understanding retirement consumption patterns with habitual persistence.
method Established concise habitual evolution, used martingale and duality methods.
result Optimal consumption declines sharply at retirement but excess consumption increases.

We revisit the problem of maximizing expected logarithmic utility from consumption over an infinite horizon in the Black-Scholes model with proportional transaction costs, as studied in the seminal paper of Davis and Norman [Math. Operation Research, 15, 1990]. Similarly to Kallsen and Muhle-Karbe [Ann. Appl. Probab., …

2010-10-04abs ↗pdf ↗

Study optimal consumption for loss-averse agents considering past spending peaks.

problem Optimal consumption for loss-averse agents with reference to past spending maximum.
method Adopted S-shaped utility, concave envelope, HJB variational inequality, dual transform, and smooth-fit conditions.
result Obtained piecewise closed-form solutions for optimal consumption and investment control.

Optimal dividend strategy with constraints on drawdown and ratcheting rates.

problem Maximizing discounted utility of dividends until bankruptcy with drawdown and ratcheting constraints.
method Formulated as a stochastic control problem, solved via Hamilton-Jacobi-Bellman variational inequality.
result Optimal dividend rate ctc^*_t depends on current surplus and historical maximum of dividend rate, with specific rules for different surplus levels.

Study many-player investment-consumption games with power FPPs, finding market-risk preference affects consumption.

problem Investment and consumption optimization in a mean field competition setting.
method Solve many-player and mean field games using power FPPs, providing closed-form solutions.
result Market-risk relative consumption preference affects agent's consumption decisions.