National Statistics, Republic of China (Taiwan)

What is the "forward linkage effects" and "backward linkage effects"?

When every sector final demand changes one unit, the change in its demand for specific sector output which is the Sensibility of specific sector, also named Forward Linkage Effects.

When specific sector final demand changes one unit, the change of the total outputs of all sectors increase/decrease is the Dispersion of specific sector to all sectors, also named Backward Linkage Effects.