Figure 1:
Annual number of publications on unregistered labour in the tourism industry from 1992 to 2024, highlighting a notable increase in research output after 2015
Figure 2:
Co-authorship network in international research collaborations on informal labour in the tourism industry
Table 1:
Most cited authors during the period 2000 to 2023
| Most Cited Authors | |
|---|---|
| Author(s) | Total |
| Manalansan, MF | 363 |
| Lundberg, C; Gudmundson, A; Andersson, TD | 230 |
| Robinson, RNS; Martins, A; Solnet, D; Baum, T | 162 |
| Sparke, M; Sidaway, JD; Bunnell, T; Grundy-Warr, C | 130 |
| Janta, H; Ladkin, A; Brown, L; Lugosi, P | 119 |
| Janta, H; Brown, L; Lugosi, P; Ladkin, A | 98 |
| Baum, T | 95 |
| Joppe, M | 86 |
| Janta, H; Lugosi, P; Brown, L; Ladkin, A | 84 |
| Moscardo, G; Konovalov, E; Murphy, L; McGehee, N | 72 |
Figure 3:
Represents relationships between core journals frequently cited together in studies on unregistered labour in the tourism industry
Figure 4:
Most frequently used terms in the literature on migrant and unregistered workers in the tourism industry
Figure 5:
Geographic distribution of research output on informal labour in the tourism industry
Figure 6:
How frequently key authors are cited together, mapping the intellectual structure of the field