noun
inventory investment
Economic term referring to the change in the stock of unsold goods held by firms, a component of GDP.
在庫投資はGDPの変動に大きく影響する。
Inventory investment significantly affects GDP fluctuations.
設備投資 is investment in physical capital like machinery and buildings, while 在庫投資 is specifically investment in inventories.
Compound of 在庫 (inventory, stock) and 投資 (investment).