Table A3: Estimates of Annual Domestic Commodity Inflows to Pennsylvania
Table A3: Estimates of Annual Domestic Commodity Inflows to Pennsylvania
Excluding energy1
| Commodity | Observed inflows (000s of metric tons) |
Estimated inflows (000s of metric tons) |
Percentage error |
Distance ratio2 |
|---|---|---|---|---|
| Apparel or other finished textile products | 254 | 232 | -9.9 | 0.8 |
| Chemicals or allied products | 7,125 | 5,819 | -22.4 | 0.9 |
| Clay, concrete, glass, or stone products | 3,046 | 2,579 | -18.1 | 0.7 |
| Electrical machinery, equipment, or supplies | 675 | 604 | -11.7 | N/A |
| Fabricated metal products | 1,511 | 1,541 | 1.9 | 0.8 |
| Farm products | 1,523 | 3,788 | 59.8 | 0.7 |
| Food or kindred products | 12,683 | 10,131 | -25.2 | 0.8 |
| Forest and fishing products | 93 | 62 | -50.1 | 0.6 |
| Furniture or fixtures | 407 | 380 | -7.3 | N/A |
| Instruments, photographic goods, optical goods, watches, or clocks | 92 | 98 | 6.1 | N/A |
| Leather or leather products | 28 | 23 | -22.9 | 0.8 |
| Lumber or wood products, excluding furniture | 2,618 | 4,073 | 35.7 | 0.7 |
| Machinery, excluding electrical | 677 | 558 | -21.4 | N/A |
| Miscellaneous products or manufacturing | 281 | 245 | -14.7 | N/A |
| Primary metal products | 7,860 | 6,405 | -22.7 | 0.7 |
| Pulp, paper, or allied products | 5,724 | 4,412 | -29.7 | 0.6 |
| Rubber or miscellaneous plastics products | 973 | 920 | -5.7 | 1.0 |
| Textile mill products | 553 | 522 | -5.8 | 0.8 |
| Tobacco products, excluding insecticides | 14 | 15 | 6.1 | 0.6 |
| Transportation equipment | 1,305 | 1,432 | 8.9 | N/A |
| Waste or scrap materials | 1,873 | 703 | -166.3 | N/A |
| Total, all commodities | 49,315 | 44,542 | -10.7 | 0.7 |
| Weighted average error: 29.1% | ||||
| Mean absolute error: 24.1% | ||||
1 Energy commodities include mining, petroleum, and coal products.
2 Distance ratio is the average shipment distance for the commodity to the state divided by the national average.
Key: N/A = not aplicable.
Note: Observed inflows are obtained from the 1993 Commodity Flow survey. Estimates are derived from the inflows to the five-state Middle Atlantic Region (Delaware, Maryland, New Jersey, New York, and Pennsylvania).