Shareholders Take a Hit When CEOs Earn Far More Than Their Employees
Research by Michigan Ross Professors Cindy Schipani and Nejat Seyhun finds that companies with larger pay gaps tend to pay more for capital.
The federal requirement for companies to disclose their pay ratio provides unique and valuable information to shareholders.
Companies with more powerful CEOs, as indicated by higher pay ratios, tend to pay more for their cost of capital.
When CEOs make much higher salaries than their employees, companies can suffer financially, according to a recent study.
The growing gap in pay between CEOs and their workers has been controversial for years. Most recently, the average CEO compensation is rising, even as some individual leaders reduce their pay in light of the COVID-19 pandemic. But most of the rhetoric on the issue focuses on fairness, not on any specific effect on companies.
However, a recent paper from Michigan Ross Professors Cindy Schipani and Nejat Seyhun — with coauthors Deniz Anginer of Simon Fraser University and Jinjing Liu of The World Bank Research Group — finds that companies with very large gaps in compensation pay more for capital.
Their research studied one particular measure of compensation called the pay ratio, a comparison between the pay of a company’s CEO and its average worker. Companies were first required to disclose their pay ratio when Congress passed the Dodd-Frank Act in the wake of the Great Recession. But that requirement has led to some pushback from companies and questions over what it really means.
The new research concludes that the pay ratio provides unique information — in particular, that as the ratio increases, companies end up paying higher costs of capital.
The paper notes that CEO compensation in the U.S. has grown much faster than employee or shareholder compensation, and the gap tends to be greater at larger companies. In 1965, the pay ratio at the country’s 350 largest firms was 20:1, rising to 58:1 by 1989 and 312:1 by 2017.
“It raises issues of justice and fairness,” Schipani noted in an interview. “CEOs are in a unique position, with respect to their relationship with the board of directors, to influence their compensation. Board capture is a serious concern.”
But the researchers wanted to know if more powerful CEOs actually harm their companies. They used publicly reported pay ratios to measure CEO power, and they chose cost of capital as an indicator of potential harm to companies.
“If the firm is doing things that are inefficient, that are not in the best interest of the shareholders, that would be reflected in the cost of capital,” Seyhun explained. “We found that holding all else constant, as CEO power increases, it’s costing the shareholders more money.”
The researchers conclude that the study offers strong support for maintaining the government requirement that companies disclose their pay ratio, since it provides information that’s not otherwise available.
“There's always political pushback any time that you're requiring a company to compute more numbers,” Schipani said. “The paper shows that pay ratio is an important disclosure. Shareholders have a right to know.”
Cindy Schipani is the Merwin H. Waterman Collegiate Professor of Business Administration and Professor of Business Law; Nejat Seyhun is the Jerome B. & Eilene M. York Professor of Business Administration and Professor of Finance; at the University of Michigan Ross School of Business.
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