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How Much Should We Trust Staggered Difference-in-Differences Estimates?
(Elsevier BV, 2022-05)
We explain when and how staggered difference-in-differences regression estimators, commonly applied to assess the impact of policy changes, are biased. These biases are likely to be relevant for a large portion of research ...
Extrapolation and bubbles
(Elsevier BV, 2018-08)
We present an extrapolative model of bubbles. In the model, many investors form their demand for a risky asset by weighing two signals: an average of the asset’s past price changes and the asset’s degree of overvaluation. ...
Predictable Financial Crises
(Wiley, 2022-03-10)
Using historical data on post-war financial crises around the world, we show that crises are substantially predictable. The combination of rapid credit and asset price growth over the prior three years, whether in the ...
Monetary Policy and Global Banking
(Wiley, 2020-07-27)
When central banks adjust interest rates, the opportunity cost of lending in local currency changes, but—in absence of frictions—there is no spillover effect to lending in other currencies. However, when equity capital is ...
Core Earnings: New Data and Evidence
(Elsevier BV, 2021-12)
Using a novel dataset, we show that components of firms' GAAP earnings stemming from ancillary business activities or transitory shocks are significant in frequency and magnitude. These components have grown over time and ...
Don't Take Their Word for It: The Misclassification of Bond Mutual Funds
(Wiley, 2021-04-29)
We provide evidence that bond fund managers misclassify their holdings, and that these misclassifications have a real and significant impact on investor capital flows. In particular, many funds report more investment grade ...
Managing the Family Firm: Evidence from CEOs at Work
(Oxford University Press (OUP), 2017-12-07)
We present evidence on the labor supply of CEOs and on whether family and professional CEOs differ on this dimension. We do so through a new survey instrument that allows us to codify CEOs’ diaries in a detailed and ...
Games of Threats
(Elsevier BV, 2018-03)
A game of threats on a finite set of players, N, is a function d that assigns a real number to any coalition, S ⊆ N, such that d(S) = -d(N\S). A game of threats is not necessarily a coalitional game as it may fail to satisfy ...
Frictions in Shadow Banking: Evidence from the Lending Behavior of Money Market Mutual Funds
(Oxford University Press (OUP), 2014-04-07)
We document the consequences of money market fund risk taking during the European sovereign debt crisis. Using a novel data set of security-level holdings of prime money market funds, we show that funds with large exposures ...
When the Boss Comes to Town: The Effects of Headquarters' Visits on Facility-Level Misconduct
(American Accounting Association, 2020-11)
We study the effects of headquarters’ visits on facility-level misconduct. We use the staggered introduction of airline routes to identify exogenous travel-time reductions between headquarters and facilities and test whether ...