Search Results - "Moallemi, Ciamac"
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An Axiomatic Approach to Systemic Risk
Published in Management science (01-06-2013)“…Systemic risk refers to the risk of collapse of an entire complex system as a result of the actions taken by the individual component entities or agents that…”
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2
Efficient Risk Estimation via Nested Sequential Simulation
Published in Management science (01-06-2011)“…We analyze the computational problem of estimating financial risk in a nested simulation. In this approach, an outer simulation is used to generate financial…”
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3
Near-Optimal A-B Testing
Published in Management science (01-10-2020)“…We consider the problem of A-B testing when the impact of the treatment is marred by a large number of covariates. Randomization can be highly inefficient in…”
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Risk Estimation via Regression
Published in Operations research (01-09-2015)“…We introduce a regression-based nested Monte Carlo simulation method for the estimation of financial risk. An outer simulation level is used to generate…”
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A deep learning approach to estimating fill probabilities in a limit order book
Published in Quantitative finance (02-11-2022)“…Deciding between the use of market orders and limit orders is an important question in practical optimal trading problems. A key ingredient in making this…”
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A reinforcement learning approach to optimal execution
Published in Quantitative finance (03-06-2022)“…We consider the problem of execution timing in optimal execution. Specifically, we formulate the optimal execution problem of an infinitesimal order as an…”
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7
Hidden Illiquidity with Multiple Central Counterparties
Published in Operations research (01-09-2016)“…Regulatory changes are transforming the multitrillion dollar swaps market from a network of bilateral contracts to one in which swaps are cleared through…”
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8
Pathwise Optimization for Optimal Stopping Problems
Published in Management science (01-12-2012)“…We introduce the pathwise optimization (PO) method, a new convex optimization procedure to produce upper and lower bounds on the optimal value (the "price") of…”
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9
Dynamic Portfolio Choice with Linear Rebalancing Rules
Published in Journal of financial and quantitative analysis (01-06-2017)“…We consider a broad class of dynamic portfolio optimization problems that allow for complex models of return predictability, transaction costs, trading…”
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Information Aggregation and Allocative Efficiency in Smooth Markets
Published in Management science (01-10-2014)“…Recent years have seen extensive investigation of the information aggregation properties of markets. However, relatively little is known about conditions under…”
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Approximate Dynamic Programming via a Smoothed Linear Program
Published in Operations research (01-05-2012)“…We present a novel linear program for the approximation of the dynamic programming cost-to-go function in high-dimensional stochastic control problems. LP…”
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12
OR Forum-The Cost of Latency in High-Frequency Trading
Published in Operations research (01-09-2013)“…Modern electronic markets have been characterized by a relentless drive toward faster decision making. Significant technological investments have led to…”
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13
Consensus Propagation
Published in IEEE transactions on information theory (01-11-2006)“…We propose consensus propagation, an asynchronous distributed protocol for averaging numbers across a network. We establish convergence, characterize the…”
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14
Short-term trading skill: An analysis of investor heterogeneity and execution quality
Published in Journal of financial markets (Amsterdam, Netherlands) (01-01-2019)“…We examine short-horizon return predictability using a novel data set of institutional trades on large-cap U.S. stocks. We estimate investor-specific…”
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15
Convergence of Min-Sum Message Passing for Quadratic Optimization
Published in IEEE transactions on information theory (01-05-2009)“…We establish the convergence of the min-sum message passing algorithm for minimization of a quadratic objective function given a convex decomposition. Our…”
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16
Convergence of Min-Sum Message-Passing for Convex Optimization
Published in IEEE transactions on information theory (01-04-2010)“…We establish that the min-sum message-passing algorithm and its asynchronous variants converge for a large class of unconstrained convex optimization problems,…”
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17
Strategic execution in the presence of an uninformed arbitrageur
Published in Journal of financial markets (Amsterdam, Netherlands) (01-11-2012)“…We consider a trader who aims to liquidate a large position in the presence of an arbitrageur who hopes to profit from the trader's activity. The arbitrageur…”
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18
Universal Reinforcement Learning
Published in IEEE transactions on information theory (01-05-2010)“…We consider an agent interacting with an unmodeled environment. At each time, the agent makes an observation, takes an action, and incurs a cost. Its actions…”
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19
Monopoly without a Monopolist: An Economic Analysis of the Bitcoin Payment System
Published in The Review of economic studies (01-11-2021)“…Abstract Bitcoin provides its users with transaction-processing services which are similar to those of traditional payment systems. This article models the…”
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Thompson Sampling with Information Relaxation Penalties
Published in Management science (22-05-2024)“…We consider a finite-horizon multiarmed bandit (MAB) problem in a Bayesian setting, for which we propose an information relaxation sampling framework. With…”
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