The Journal of Finance publishes leading research across all the major fields of finance. It is one of the most widely cited journals in academic finance, and in all of economics. Each of the six issues per year reaches over 8,000 academics, finance professionals, libraries, and government and financial institutions around the world. The journal is the official publication of The American Finance Association, the premier academic organization devoted to the study and promotion of knowledge about financial economics.
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Common Ownership Does Not Have Anticompetitive Effects in the Airline Industry
Published: 08/21/2022 | DOI: 10.1111/jofi.13176
PATRICK DENNIS, KRISTOPHER GERARDI, CAROLA SCHENONE
Institutions often own equity in multiple firms that compete in the same product market. Prior research has shown that these institutional “common owners” induce anticompetitive pricing behavior in the airline industry. This paper reevaluates this evidence and shows that the documented positive correlation between common ownership and airline ticket prices stems from the market share component of the common ownership measure, and not the ownership and control components. We further show that the results are sensitive to measures of investor control and to assumptions about equity holders' ownership and control during bankruptcy.
The Impact of Deregulation and Financial Innovation on Consumers: The Case of the Mortgage Market
Published: 01/13/2010 | DOI: 10.1111/j.1540-6261.2009.01531.x
KRISTOPHER S. GERARDI, HARVEY S. ROSEN, PAUL S. WILLEN
We develop a technique to assess the impact of changes in mortgage markets on households, exploiting an implication of the permanent income hypothesis: The higher a household's expected future income, the higher its desired consumption, ceteris paribus. With perfect credit markets, desired consumption matches actual consumption and current spending forecasts future income. Because credit market imperfections mute this effect, the extent to which house spending predicts future income measures the “imperfectness” of mortgage markets. Using micro‐data, we find that since the early 1980s, mortgage markets have become less imperfect in this sense, and securitization has played an important role.