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Working Paper
Causes and Consequences of Margin Levels in Futures Markets
February 28, 2014
Using a Freedom of Information Act request, we obtained a data set on margin requirements for 16 commodity futures contracts, and used it to explore how margins are set and to test the existing theories on the implications of changing margin levels.
Journal Article
Demand-Based Option Pricing
February 25, 2009
Index and equity options are notoriously difficult to price.
Working Paper
Cash-Flow Maturity and Risk Premia in CDS Markets
November 12, 2014
We study the risk adjusted returns of credit default swaps of different maturities to learn more about the impact of higher sensitivities to credit fundamentals.
Working Paper
Beyond Basis Basics: Leverage Demand and Deviations from the Law of One Price
February 7, 2020
Bases are driven by intermediaries’ cost of capital and the amount of leverage demand for an asset. Focusing on leverage demand, we find bases negatively predict futures and spot market returns with the same sign in both global equities and currencies.
Working Paper
Early Option Exercise: Never Say Never
March 18, 2016
A classic rule in financial economics: Never exercise a call option and never convert a convertible bond, except just before expiration or dividend payments. This paper shows how this rule breaks down when financial frictions are introduced.
Journal Article
An Alternative Option to Portfolio Rebalancing
March 5, 2018
We explore how investors can use an implementable option selling overlay to improve portfolio rebalancing.
Journal Article
Derivatives Strategies for Endowment and Foundation Portfolios: The Manager Perspective
January 1, 1996
Many endowment and foundation funds automatically maintain a mix of 60% stocks and 40% bonds, and numerous researchers will tell them they are wrong.
Journal Article
An Alternative Future: Part I
January 1, 2004
Depending on whom you ask, hedge funds are either the wave of the future or a dangerous fad that has been grossly overcapitalized, and all will end in ruin.
Journal Article
Valuation in Over-the-Counter Markets
August 27, 2007
We document the impact on asset prices of search-and-bargaining frictions in over-the-counter markets.
Journal Article
The Tax Benefits of Direct Indexing: Not a One-Size-Fits-All Formula
May 7, 2021
An investor holding a direct indexing portfolio can obtain tax benefits by harvesting losses on individual stock positions. We show that investors with allocations to hedge funds and derivatives are the most likely category of investors to have systematic short-term capital gains in their portfolios and, therefore, benefit the most from losses harvested by direct-indexing strategies. We show how tax benefits are affected by equalizing the tax rate applicable to long-term and short-term capital gains.