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Working Paper

Is There a Replication Crisis in Finance?

Several papers argue that financial economics faces a replication crisis because many studies cannot be replicated or are the result of multiple testing of too many factors. We develop and estimate a Bayesian model of factor replication that leads to different conclusions, including finding the majority of asset pricing factors can be replicated.

Working Paper

Does ESG Help or Hurt Returns?

Combining several large data sets, we compute the empirical ESG-efficient frontier and show the costs and benefits of responsible investing.

Data Set

Responsible Investing: The ESG-Efficient Frontier – Original Paper Data

This the original data set used in “Responsible Investing: The ESG-Efficient Frontier” (Pedersen, Fitzgibbons and Pomorski). It contains the total returns of the value-weighted and equal-weighted portfolios used in the paper.

Working Paper

Principal Portfolios

We propose a new asset-pricing framework in which all securities’ signals are used to predict each individual return. While the literature focuses on each security’s own- signal predictability, assuming an equal strength across securities, our framework is flexible and includes cross-predictability.

White Paper

Enhanced Portfolio Optimization

We show how to identify the portfolios that cause problems in standard mean-variance optimization (MVO) and develop an enhanced portfolio optimization (EPO) method that addresses the problems. Applying EPO on several realistic datasets, we find significant gains relative to standard benchmarks.

Journal Article

Fact and Fiction About Low-Risk Investing

Low-risk investing has received a lot of attention over the past decade. An intensive academic debate has spurred, and been spurred by, the growing market for low-risk strategies. This article presents five fact and dispels five fictions about low-risk investing.

Working Paper

Responsible Investing: The ESG-Efficient Frontier

Combining several large data sets, we compute the empirical ESG-efficient frontier and show the costs and benefits of responsible investing.

Working Paper

Economics with Market Liquidity Risk

We discuss the effects of market liquidity risk on asset pricing, investment management, corporate finance, banking, financial crises, macroeconomics, monetary policy, fiscal policy, and other economic areas.

Journal Article

Trends Everywhere

We provide new out-of-sample evidence on trend-following investing by studying its performance for 82 securities not previously examined and 16 long-short equity factors.

Journal Article

Sharpening the Arithmetic of Active Management

Does the dictum that the return to active management must equal that of passive management hold in the real world? This paper explores the assumptions and possible market impact.