Impact of coal sector’s de-capacity policy on coal price

Coal is the main energy source of China. A decline in coal prices caused by overcapacity not only determines the survival of coal enterprises but also directly affects economic growth, energy security and industrial raw material supply. This study uses the difference-in-differences model to quantitatively evaluate the treatment effect of coal de-capacity policies on coal prices. Empirical results are summarised as follows. Firstly, the...