Table 4 Twelve groups of role structures

P

Only reciprocal profit

A

All dyads combine authority and profit

W

All dyads combine work and reciprocal profit

K

All dyads combine kin/friend and profit

PA

Some dyads combine authority and profit, others are only reciprocal profit

PK

Some dyads combine kin/friend and profit, others are only reciprocal profit

AW

All dyads combine profit with work and/or with authority

AK

All dyads combine profit with kin/friend and/or with authority

PAW

Some dyads combine work and profit, others combine authority and profit, still others are only reciprocal profit

PAK

Some dyads combine kin/friend and profit, others combine authority and profit, still others are only reciprocal profit

AWK

Some dyads combine work and profit, others combine authority and profit, still others combine kin/friend and profit

PAWK

Some dyads combine work and profit, others combine authority and profit, others combine kin/friend and profit, still others are only reciprocal profit