Table 6.
Results: Co-evolution of friendship, advice, and employment preference.
| Friendship | Advice | Empl. pref. | ||||||
|---|---|---|---|---|---|---|---|---|
| Effect | par. | (s.e.) | par. | (s.e.) | par. | (s.e.) | ||
| within-network | ||||||||
| Out-degree | –2.980** | (0.284) | –4.135** | (0.424) | –2.525** | (0.141) | ||
| Reciprocity | 1.280** | (0.119) | 0.517** | (0.158) | — | |||
| Transitive triplets | 0.153** | (0.018) | 0.243** | (0.038) | — | |||
| Three-cycles | –0.06 l† | (0.032) | –0.087 | (0.062) | — | |||
| Four-cycles | — | — | 0.085* | (0.031) | ||||
| Indegree popularity | 0.386** (✓) | (0.064) | 0.330** (✓) | (0.053) | 0.071** | (0.018) | ||
| Outdegree popularity | –0.354** (✓) | (0.073) | 0.062 (✓) | (0.152) | — | |||
| Outdegree activity | 0.023 (✓) | (0.045) | 0.013 (✓) | (0.075) | 0.074** | (0.021) | ||
| Outd.-ind. assortativity | — | — | –0.010** | (0.003) | ||||
| Same nationality | 0.203* | (0.084) | 0.327** | (0.125) | — | |||
| Sex (M) alter | —0.033 | (0.070) | 0.038 | (0.098) | — | |||
| Sex (M) ego | –0.147* | (0.074) | –0.182† | (0.099) | — | |||
| Same Sex | 0.237** | (0.072) | 0.052 | (0.094) | — | |||
| Performance alter | –0.022 | (0.028) | 0.151** | (0.040) | — | |||
| Performance ego | –0.098** | (0.026) | –0.059 | (0.038) | — | |||
| Performance similarity | 0.789** | (0.189) | 0.465† | (0.261) | — | |||
| between-network: dyadic | ||||||||
| Friendship | _— | 1.792** | (0.220) | _— | ||||
| Reciprocal friendship | — | 0.356* | (0.180) | — | ||||
| Advice | 1.672** | (0.227) | — | — | ||||
| Reciprocal advice | 0.730** | (0.193) | — | — | ||||
| between-network: actor-level | ||||||||
| Friendship ind. popularity | — | –0.273** (✓) | (0.064) | — | ||||
| Friendship outd. activity | — | –0.300** (✓) | (0.055) | 0.0101* | (0.0055) | |||
| Advice ind. popularity | –0.151** (✓) | (0.048) | — | — | ||||
| Advice outd. activity | –0.214** (✓) | (0.076) | — | –0.014 | (0.021) | |||
| Empl. choice outd. activity | 0.235* (✓) | (0.101) | 0.202 (✓) | (0.124) | — | |||
| between-network: mixed triads | ||||||||
| Employment pref. agreement | –0.085 | (0.066) | 0.151† | (0.078) | — | |||
| Friendship leading to agreement | — | — | –0.065 | (0.074) | ||||
| Advice leading to agreement | — | — | 0.274† | (0.153) | ||||
The (✓) symbol means that the transformation ϕ(x) = √x is used for transforming the degrees in the role of independent variables, cf. Section 3.
Significance symbols:
†
p < 0.10
*
p < 0.05
**
p < 0.01 (two-sided)