PRODUCTIVITY GROWTH AND INPUT MIX CHANGES IN FOOD PROCESSING
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To examine productivity growth in New Jersey's food-processing sector, this study conducts a joint analysis of total and partial factor productivity indexes. Results indicate growing material intensity, declining labor and capital intensities, and relatively slow material productivity growth. However, due to the high cost share of material inputs, material productivity growth contributed more to total factor productivity growth than did growth in the productivity of any other input. In fact, almost half of the growth in overall productivity is attributed to material productivity growth. Results also suggest that the 1973 decline in total factor productivity was characterized by greater decline in material productivity than in the productivities of labor and capital.