List of DVs and IVs used in the study
| Variable name | Description (including units or rating scale) |
|---|---|
| DV | |
| Total Price | Total price of the ISWM contract (US$) |
| Contractor performance – quality | Buyer-rated assessment of the contractor’s performance related to quality (1-5) |
| Contractor performance – cost | Buyer-rated assessment of the contractor’s performance related to cost (1-5) |
| Contractor performance – schedule | Buyer-rated assessment of the contractor’s performance related to schedule (1-5) |
| Contractor performance – management | Buyer-rated assessment of the contractor’s performance related to management (1-5) |
| Contractor performance – average rating | Average of all available performance ratings (quality, cost, schedule, management) (1-5) |
| IV | |
| Tons of waste | Annual amount of solid waste (tons) |
| Number of containers | Number of dumpsters serviced by the ISWM contractor (dumpsters) |
| Wage rate | Dollars per hour paid to ISWM contractors (US$/h)* |
| Number of offers | Number of offers received and evaluated prior to contract award (offers) |
| 8(a) sole source – SB set-aside** | Contract was provided without competition to a qualified 8(a) contractor (yes or no) |
| 8(a) competed – SB set-aside** | Contract was competed among qualified 8(a) contractors (yes or no) |
| HUBZone – SB set-aside | Contract was competed among qualified HUBZone contractors (yes or no) |
| SDVOSB set-aside | Contract was competed among qualified SDVOSB contractors (yes or no) |
| Total small business set-aside | Contract was competed among all qualified small businesses (yes or no) |
| Full and open competition | Contract was competed among all qualified contractors (large and small) (yes or no) |
| Variable name | Description (including units or rating scale) |
|---|---|
| Total Price | Total price of the ISWM contract (US$) |
| Contractor performance – quality | Buyer-rated assessment of the contractor’s performance related to quality |
| Contractor performance – cost | Buyer-rated assessment of the contractor’s performance related to cost (1-5) |
| Contractor performance – schedule | Buyer-rated assessment of the contractor’s performance related to schedule (1-5) |
| Contractor performance – management | Buyer-rated assessment of the contractor’s performance related to management (1-5) |
| Contractor performance – average rating | Average of all available performance ratings (quality, cost, schedule, management) (1-5) |
| Tons of waste | Annual amount of solid waste (tons) |
| Number of containers | Number of dumpsters serviced by the ISWM contractor (dumpsters) |
| Wage rate | Dollars per hour paid to ISWM contractors (US$/h) |
| Number of offers | Number of offers received and evaluated prior to contract award (offers) |
| 8(a) sole source – SB set-aside | Contract was provided without competition to a qualified 8(a) contractor (yes or no) |
| 8(a) competed – SB set-aside | Contract was competed among qualified 8(a) contractors (yes or no) |
| HUBZone – SB set-aside | Contract was competed among qualified HUBZone contractors (yes or no) |
| SDVOSB set-aside | Contract was competed among qualified SDVOSB contractors (yes or no) |
| Total small business set-aside | Contract was competed among all qualified small businesses (yes or no) |
| Full and open competition | Contract was competed among all qualified contractors (large and small) (yes or no) |
Notes:
Wage rate was determined using the Department of Labor rates required for all federal contracts;
8(a) (named after legislation that created the program) is for a special category of disadvantaged, small businesses that require significant development. The program assists those companies by offering special set-asides and even sole-source awards