Fig. 2: Treatment effects on firms’ unit cost of electricity and electricity use.
From: Management practices and manufacturing firm responses to a randomized energy audit

a,b, Treatment on firms’ unit cost of electricity (a) and electricity use (b). The figure shows the treatment effect by time using equation (4). The month before the treatment is omitted as the reference month. Solid lines represent estimated coefficients of interest and dashed lines represent 95% confidence intervals calculated using robust standard errors clustered at the firm level.