Fig. 3: Parallel trend test results. | Humanities and Social Sciences Communications

Fig. 3: Parallel trend test results.

From: Does digitalization improve firm-level energy efficiency? Evidence from a quasi-natural experiment in China

Fig. 3

The X-axis represents the window period for BCP implementation, while the Y-axis displays the regression coefficient βk in the event study model. The year preceding BCP implementation serves as the base period. a–c present the results of the parallel trend tests using firm-level energy efficiency derived from electricity, coal, and oil. Similarly, d–f illustrate the results of the parallel trend tests with firm-level energy consumption derived from electricity, coal, and oil.

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