If new capital and new labor are forcibly kept out of the X industry, however, either by monopolies, cartels, union policy or legislation, it deprives this capital and labor of liberty of choice.

• 如果新资本和新劳工是被强制排斥在某产业之外，例如垄断、同业联盟、工会的政策或者法律等强制手段剥夺了资本和劳动力自由选择的权力。