Home Labor Market The Home wage is determined at point A, the intersection of the marginal product of labor curves PM · MPLM and PA · MPLA in manufacturing and agriculture, respectively. The amount of labor used in manufacturing is measured from left to right, starting at the origin 0M, and the amount of labor used in agriculture is measured from right to left, starting at the origin 0A. At point A, 0ML units of labor are used in manufacturing and 0AL units of labor are used in agriculture.