This study investigates the valuation and real effects of the mandatory disclosure of greenhouse gas(GHG)emission costs from the perspective of“double materiality.”We consider a firm with a Cobb-Douglas production f...This study investigates the valuation and real effects of the mandatory disclosure of greenhouse gas(GHG)emission costs from the perspective of“double materiality.”We consider a firm with a Cobb-Douglas production function that combines GHG-related and non-GHG-related investments to produce short-term and long-term returns.In particular,the GHG-related investment entails short-term and long-term social costs of GHG emissions,including corporate costs and negative externalities.We demonstrate how the mandatory disclosure of the long-term costs of GHG emissions affects capital market valuations and corporate investment decisions relative to a non-disclosure regime.The social welfare in an accounting regime hinges on three parameters:the persistence of the short-term investment return,the ratio of the productivity of GHG-related investment to that of non-GHG-related investment,and the social cost parameter for GHG emissions.Our findings suggest that disclosing the long-term costs of GHG emissions may be detrimental to social welfare.Specifically,the non-disclosure regime results in higher social welfare than the disclosure regime for high values of these parameters.展开更多
文摘This study investigates the valuation and real effects of the mandatory disclosure of greenhouse gas(GHG)emission costs from the perspective of“double materiality.”We consider a firm with a Cobb-Douglas production function that combines GHG-related and non-GHG-related investments to produce short-term and long-term returns.In particular,the GHG-related investment entails short-term and long-term social costs of GHG emissions,including corporate costs and negative externalities.We demonstrate how the mandatory disclosure of the long-term costs of GHG emissions affects capital market valuations and corporate investment decisions relative to a non-disclosure regime.The social welfare in an accounting regime hinges on three parameters:the persistence of the short-term investment return,the ratio of the productivity of GHG-related investment to that of non-GHG-related investment,and the social cost parameter for GHG emissions.Our findings suggest that disclosing the long-term costs of GHG emissions may be detrimental to social welfare.Specifically,the non-disclosure regime results in higher social welfare than the disclosure regime for high values of these parameters.
基金support from the National Natural Science Foundation of China(NSFC-72232008 and NSFC-71972161)Lisheng Yu acknowledges the financial support from the National Natural Science Foundation of China(NSFC-72372139 and NSFC-71972162).
文摘The authors regret not including the acknowledgment in their article.The authors would like to apologise for any inconvenience caused.
