The authors regret that figures reported in the text of Section 5.3 did not reflect the final results, which were correctly reported in Table 4. The following numbers in the text (9.3, 17.6, 30.3, and −64.3) should respectively be read as 8.5, 15.1, 23.2, and −39.1. The authors would like to apologise for any inconvenience caused.
All Science Journal Classification (ASJC) codes
- Geography, Planning and Development
- Sociology and Political Science
- Economics and Econometrics