Reduced information asymmetry mediates the association between positive ESG media coverage and lower cost of equity in Chinese firms, with each one standard deviation increase in ESG media index associated with a 0.044 decrease in information asymmetry, and each unit decrease in information asymmetry associated with a 0.073 decrease in cost of equity.

Source: Does environmental, social, and governance news coverage affect the cost of equity? A textual analysis of media coverage

What the research says

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How it works

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In plain English

In Chinese firms, positive media coverage of environmental, social, and governance practices is linked to lower information gaps between companies and investors, and these smaller information gaps are linked to lower costs of raising capital.

See the scientific wording

Improved information transparency, as measured by reduced information asymmetry, mediates the association between positive ESG media coverage and lower cost of equity in Chinese firms, with each one standard deviation increase in ESG media index linked to a 0.044 decrease in information asymmetry, which in turn is associated with a 0.073 increase in cost of equity per unit of asymmetry.

Why this might work

When companies are described positively in the media, investors receive clearer signals about their operations and risks. This clarity reduces uncertainty, causing investors to demand lower returns for holding the company's stock.

Supported mechanismbased on 1 study

What the research says

1 study

Study: Does environmental, social, and governance news coverage affect the cost of equity? A textual analysis of media coverage
When companies get good press for being environmentally and socially responsible, investors understand them better and feel less unsure — so they ask for lower returns on their investment. This study shows that better media coverage leads to lower investment costs because it makes companies seem more transparent.

Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies

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