Cumulative versus Gravity-based Accessibility Measures: Which One to Use?
This paper compares two popular approaches to calculate access to jobs by public transport: gravity and cumulative opportunities. Using data on commute patterns and public transport schedules from Montreal, Canada, we find cumulative opportunities-based measures estimated at the mean transit commute...
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| Format: | Article |
| Language: | English |
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Findings Press
2022-02-01
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| Series: | Findings |
| Online Access: | https://doi.org/10.32866/001c.32444 |
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| _version_ | 1849396639916097536 |
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| author | Manuel Santana Palacios Ahmed El-geneidy |
| author_facet | Manuel Santana Palacios Ahmed El-geneidy |
| author_sort | Manuel Santana Palacios |
| collection | DOAJ |
| description | This paper compares two popular approaches to calculate access to jobs by public transport: gravity and cumulative opportunities. Using data on commute patterns and public transport schedules from Montreal, Canada, we find cumulative opportunities-based measures estimated at the mean transit commute time and gravity-based measures generated through various decay functions are highly correlated -- all above 0.9. This finding holds even when replicating the analysis for low- and non-low-wage jobs available in the same metropolitan region. These findings strongly suggest that easy-to-communicate and -operationalize cumulative opportunities accessibility constructs measured at the mean commute time perform similarly to more theoretically-sound gravity-based measures. |
| format | Article |
| id | doaj-art-0f5919beae5848bb935adfcb8b38f156 |
| institution | Kabale University |
| issn | 2652-8800 |
| language | English |
| publishDate | 2022-02-01 |
| publisher | Findings Press |
| record_format | Article |
| series | Findings |
| spelling | doaj-art-0f5919beae5848bb935adfcb8b38f1562025-08-20T03:39:17ZengFindings PressFindings2652-88002022-02-0110.32866/001c.32444Cumulative versus Gravity-based Accessibility Measures: Which One to Use?Manuel Santana PalaciosAhmed El-geneidyThis paper compares two popular approaches to calculate access to jobs by public transport: gravity and cumulative opportunities. Using data on commute patterns and public transport schedules from Montreal, Canada, we find cumulative opportunities-based measures estimated at the mean transit commute time and gravity-based measures generated through various decay functions are highly correlated -- all above 0.9. This finding holds even when replicating the analysis for low- and non-low-wage jobs available in the same metropolitan region. These findings strongly suggest that easy-to-communicate and -operationalize cumulative opportunities accessibility constructs measured at the mean commute time perform similarly to more theoretically-sound gravity-based measures.https://doi.org/10.32866/001c.32444 |
| spellingShingle | Manuel Santana Palacios Ahmed El-geneidy Cumulative versus Gravity-based Accessibility Measures: Which One to Use? Findings |
| title | Cumulative versus Gravity-based Accessibility Measures: Which One to Use? |
| title_full | Cumulative versus Gravity-based Accessibility Measures: Which One to Use? |
| title_fullStr | Cumulative versus Gravity-based Accessibility Measures: Which One to Use? |
| title_full_unstemmed | Cumulative versus Gravity-based Accessibility Measures: Which One to Use? |
| title_short | Cumulative versus Gravity-based Accessibility Measures: Which One to Use? |
| title_sort | cumulative versus gravity based accessibility measures which one to use |
| url | https://doi.org/10.32866/001c.32444 |
| work_keys_str_mv | AT manuelsantanapalacios cumulativeversusgravitybasedaccessibilitymeasureswhichonetouse AT ahmedelgeneidy cumulativeversusgravitybasedaccessibilitymeasureswhichonetouse |