Comparison of Sequential Binary Integer Programming (BIP-SEQ) and Simultaneous Binary Integer Programming (BIP-SIM) Models
| Conservation Benefit | Acres | Parcels Selected | Program Expenditures ($) | Savings of BIP-SIM over BIP-SEQ, Benefits ($) | Savings of BIP-SIM over BIP-SEQ, Acres ($) | |
|---|---|---|---|---|---|---|
| BIP-SEQ (2007) | 93,956 | 1,670 | 29 | 7,783,642 | — | — |
| BIP-SIM (2007) | 93,959 | 1,689 | 29 | 7,789,066 | 338 | $127,604 |
| Difference (%) | 3 (0.0%) | 19 (1.1%) | 0 (0.0%) | 5,424 (0.1%) | (0.0%)a | (1.6%)a |
| BIP-SEQ (2008) | 122,878 | 1,880 | 29 | 10,725,157 | — | — |
| BIP-SIM (2008) | 134,648 | 2,016 | 29 | 10,728,994 | 1,327,227 | $913,373 |
| Difference (%) | 11,770 (9.6%) | 136 (7.2%) | 0 (0.0%) | 3,837 (0.0) | (12.4%)a | (8.5%)a |
| BIP-SEQ (2009) | 43,744 | 568 | 10 | 3,560,051 | — | — |
| BIP-SIM (2009) | 46,928 | 594 | 11 | 3,596,608 | 359,039 | $174,615 |
| Difference (%) | 3,184 (7.3%) | 26 (4.6%) | 1 (10.0%) | 36,557 (1.0%) | (10.1%)a | (4.9%)a |
| BIP-SEQ (total) | 260,578 | 4,118 | 68 | 22,068,850 | — | — |
| BIP-SIM (total) | 275,535 | 4,299 | 69 | 22,114,668 | 1,686,604 | $1,215,592 |
| Difference (%) | 14,957 (5.7%) | 181 (4.4%) | 1 (1.5%) | 45,818 (0.2%) | (7.6%)a | (5.5%)a |
↵a Percentage of savings compared to BIP-SEQ.