2019 International SERF Index Update

The 2019 SERF Index The 2019 SERF Index Update is now an outdated version of the SERF Index. The data files are provided here for the convenience of researchers who may be currently using these older versions of the data.┬áThe Core SERF Index covers approximately 80 countries (the exact number depending on the year) and … Continue reading 2019 International SERF Index Update