Leadership solves collective action problems in small-scale societies

Philosophical Transactions of the Royal Society B: Biological Sciences

Volumn 370, Issue 1683, 2015, Pages

  Glowacki, Luke ^a   von Rueden, Chris ^b  

^a HARVARD UNIVERSITY   (United States)

^b UNIVERSITY OF RICHMOND   (United States)

Author keywords

Collective action; Cooperation; Foragers; Leadership; Pastoralists

Indexed keywords

CAPITAL FLOW; COLLECTIVE ACTION; HORTICULTURE; LEADERSHIP; NOMADIC PEOPLE; PASTORALISM;

BOLIVIA; ETHIOPIA;

BOLIVIA; CATERING SERVICE; COOPERATION; CULTURAL FACTOR; DECISION MAKING; ETHIOPIA; FEMALE; GROUP PROCESS; HUMAN; HUMAN RELATION; LEADERSHIP; MALE; SOCIAL DOMINANCE;

BOLIVIA; COOPERATIVE BEHAVIOR; CULTURAL CHARACTERISTICS; DECISION MAKING; ETHIOPIA; FEMALE; FOOD SUPPLY; GROUP PROCESSES; HIERARCHY, SOCIAL; HUMANS; INTERPERSONAL RELATIONS; LEADERSHIP; MALE;

EID: 84945285872     PISSN: 09628436     EISSN: 14712970     Source Type: Journal    
DOI: 10.1098/rstb.2015.0010     Document Type: Article

References (128)

1. von Rueden C, Gurven M, Kaplan H, Stieglitz J. 2014 Leadership in an egalitarian society. Hum. Nat. 25, 538-566. (doi:10.1007/s12110-014-9213-4)
2. Gavrilets S, Fortunato L. 2014 A solution to the collective action problem in between-group conflict with within-group inequality. Nat. Commun. 5, 3526. (doi:10.1038/ncomms4526)
3. Henrich J, Chudek M, Boyd R. 2015 The Big Man Mechanism: how prestige fosters cooperation and creates prosocial leaders. Phil. Trans. R. Soc. B 370, 20150013. (doi:10.1098/rstb.2015.0013)
4. Hooper PL, Kaplan HS, Boone JL. 2010 A theory of leadership in human cooperative groups. J. Theor. Biol. 265, 633-646. (doi:10.1016/j.jtbi.2010.05.034)
5. Price ME, Van Vugt M. 2014 The evolution of leader-follower reciprocity: The theory of service-for-prestige. Front. Hum. Neurosci. 8, 363. (doi:10.3389/fnhum.2014.00363)
6. Nunn CL. 2000 Collective action, free-riders, and male extragroup conflict. In Primate males (ed. PM Kappeler), pp. 192-204. Cambridge, UK: Cambridge University Press.
7. Olson M. 1965 The logic of collective action: public goods and the theory of groups. Cambridge, MA: Harvard University Press.
8. Bailey I, Myatt JP, Wilson AM. 2013 Group hunting within the Carnivora: physiological, cognitive and environmental influences on strategy and cooperation. Behav. Ecol. Sociobiol. 67, 1-17. (doi:10.1007/s00265-012-1423-3)
9. Hooper PL, Demps K, Gurven M, Gerkey D, Kaplan HS. 2015 Skills, division of labour and economies of scale among Amazonian hunters and South Indian honey collectors. Phil. Trans. R. Soc. B 370, 20150008. (doi:10.1098/rstb.2015.0008)
10. Voelkl B, Portugal SJ, Unsold M, Usherwood JR, Wilson AM, Fritz J. 2015 Matching times of leading and following suggest cooperation through direct reciprocity during V-formation flight in ibis. Proc. Natl Acad. Sci. USA 112, 2115-2120. (doi:10.1073/pnas.1413589112)
11. Van Belle S, Scarry CJ. 2015 Individual participation in intergroup contests is mediated by numerical assessment strategies in black howler and tufted capuchin monkeys. Phil. Trans. R. Soc. B 370, 20150007. (doi:10.1098/rstb.2015.0007)
12. Willems EP, Hellriegel B, van Schaik CP. 2013 The collective action problem in primate territory economics. Proc. R. Soc. B 280, 20130081. (doi:10.1098/rspb.2013.0081)
13. Willems EP, Arseneau TJM, Schleuning X, van Schaik CP. 2015 Communal range defence in primates as a public goods dilemma. Phil. Trans. R. Soc. B 370, 20150003. (doi:10.1098/rstb.2015.0003)
14. von Rohr CR, Koski SE, Burkart JM, Caws C, Fraser ON, Ziltener A, van Schaik CP. 2012 Impartial third-party interventions in captive chimpanzees: a reflection of community concern. PLoS ONE 7, e32494. (doi:10.1371/journal.pone.0032494)
15. Willems EP, van Schaik CP. 2015 Collective action and the intensity of between-group competition in nonhuman primates. Behav. Ecol. 26, 625-631. (doi:10.1093/beheco/arv001)
16. Tooby J, Cosmides L, Price M. 2006 Cognitive adaptations for n-person exchange: the evolutionary roots of organizational behavior. Manag. Decis. Econ. 27, 103-129. (doi:10.1002/mde.1287)
17. Tomasello M, Carpenter M, Call J, Behne T, Moll H. 2005 Understanding and sharing intentions: the origins of cultural cognition. Behav. Brain Sci. 28, 675-735. (doi:10.1017/S0140525X05000129)
18. Fehr E, Fischbacher U, Gächter S. 2002 Strong reciprocity, human cooperation, and the enforcment of social norms. Hum. Nat. 13, 1-25. (doi:10.1007/s12110-002-1012-7)
19. Boyd R, Richerson PJ. 1992 Punishment allows the evolution of cooperation (or anything else) in sizable groups. Ethol. Sociobiol. 13, 171-195. (doi:10.1016/0162-3095(92)90032-Y)
20. Fehr E, Gächter S. 2002 Altruistic punishment in humans. Nature 415, 137-140. (doi:10.1038/415137a)
21. Yamagishi T. 1986 The provision of a sanctioning system as a public good. J. Pers. Soc. Psychol. 51, 110-116. (doi:10.1037/0022-3514.51.1.110)
22. Oliver P. 1980 Rewards and punishments as selective incentives for collective action: theoretical investigations. Am. J. Sociol. 85, 1356-1375. (doi:10.1086/227168)
23. Rand DG, Dreber A, Ellingsen T, Fudenberg D, Nowak MA. 2009 Positive interactions promote public cooperation. Science 325, 1272-1275. (doi:10.1126/science.1177418)
24. Alexander RD. 1987 The biology of moral systems. New York, NY: Aldine de Gruyter.
25. Macfarlan SJ, Lyle HF. 2015 Multiple reputation domains and cooperative behaviour in two Latin American communities. Phil. Trans. R. Soc. B 370, 20150009. (doi:10.1098/rstb.2015.0009)
26. Panchanathan K, Boyd R. 2004 Indirect reciprocity can stabilize cooperation without the second-order free rider problem. Nature 432, 499-502. (doi:10.1038/nature02978)
27. Gintis H, Smith EA, Bowles S. 2001 Costly signaling and cooperation. J. Theor. Biol. 213, 103-119. (doi:10.1006/jtbi.2001.2406)
28. Hill K, Hurtado AM. 2009 Cooperative breeding in South American hunter-gatherers. Proc. R. Soc. B 276, 3863-3870. (doi:10.1098/rspb.2009.1061)
29. Sugiyama LS, Chacon R. 2000 Effects of illness and injury on foraging among the Yora and Shiwiar: pathology risk as adaptive problem. In Human behavior and adaptation: an anthropological perspective (eds L Cronk, N Chagnon, W Irons), pp. 371-396. New York, NY: Aldine.
30. Hooper PL, Gurven M, Winking J, Kaplan HS. 2015 Inclusive fitness and differential productivity across the life course determine intergenerational transfers in a small-scale human society. Proc. R. Soc. B 282, 20142808. (doi:10.1098/rspb.2014.2808)
31. Winterhalder B. 1986 Diet choice, risk, and food sharing in a stochastic environment. J. Anthropol. Res. 5, 369-392.
32. Ziker JP, Rasmussen J, Nolin DA. 2015 Indigenous Siberians solve collective action problems through sharing and traditional knowledge. Sustainability Sci. 1-11. (doi:10.1007/s11625-015-0293-9)
33. Jaeggi AV, Gurven M. 2013 Reciprocity explains food sharing in humans and other primates independent of kin selection and tolerated scrounging: a phylogenetic meta-analysis. Proc. R. Soc. B 280, 20131615. (doi:10.1098/rspb.2013.1615)
34. Hawkes K, O’Connell J, Coxworth J. 2010 Family provisioning is not the only reason men hunt. Curr. Anthropol. 51, 259-264. (doi:10.1086/651074)
35. Smith EA, Bird RB, Bird DW. 2003 The benefits of costly signaling: Meriam turtle hunters. Behav. Ecol. 14, 116-126. (doi:10.1093/beheco/14.1.116)
36. McCabe JT. 2004 Cattle bring us to our enemies: Turkana ecology, politics, and raiding in a disequilibrium system, xvii, 301 pp. Ann Arbor, MI: University of Michigan Press.
37. Ruttan LM, Mulder MB. 1999 Are east African pastoralists truly conservationists? Curr. Anthropol. 40, 621-652. (doi:10.1086/300086)
38. Otterbein K. 1968 Internal war: a cross-cultural study. Am Anthropol 70, 277-289. (doi:10.1525/aa.1968.70.2.02a00040)
39. Wrangham R, Glowacki L. 2012 Intergroup aggression in chimpanzees and war in nomadic hunter-gatherers. Hum. Nat. 23, 5-29. (doi:10.1007/s12110-012-9132-1)
40. Gat A. 1999 The pattern of fighting in simple, small-scale prestate soceities. J. Anthropol. Res. 55, 563-583.
41. Corry S. 2011 Tribal peoples for tomorrow’s world. Alcester, UK: Freeman Press.
42. Glowacki L, Wrangham R. 2013 The role of rewards in motivating participation in simple warfare. Hum. Nat. 24, 444-460. (doi:10.1007/s12110-013-9178-8)
43. Mathew S, Boyd R. 2011 Punishment sustains largescale cooperation in prestate warfare. Proc. Natl Acad. Sci. USA 108, 11 375-11380. (doi:10.1073/pnas.1105604108)
44. Stein RT. 1975 Identifying emergent leaders from verbal and nonverbal communications. J. Pers. Soc. Psychol. 32, 125-135. (doi:10.1037/h0076842)
45. Pescosolido AT. 2001 Informal leaders and the development of group efficacy. Small Group Res. 32, 74-93. (doi:10.1177/104649640103200104)
46. O’Gorman R, Henrich J, Van Vugt M. 2009 Constraining free riding in public goods games: designated solitary punishers can sustain human cooperation. Proc. R. Soc. B 276, 323-329. (doi:10.1098/rspb.2008.1082)
47. van der Heijden E, Potters J, Sefton M. 2009 Hierarchy and opportunism in teams. J. Econ. Behav. Organ. 69, 39-50. (doi:10.1016/j.jebo.2008.09.007)
48. Hamman JR, Weber RA, Woon J. 2011 An experimental investigation of electoral delegation and the provision of public goods. Am. J. Polit. Sci. 55, 737-751. (doi:10.1111/j.1540-5907.2011.00531.x)
49. Gächter S, Nosenzo D, Renner E, Sefton M. 2012 Who makes a good leader? Cooperativeness, optimism, and leading-by-example. Econ. Inq. 50, 953-967. (doi:10.1111/j.1465-7295.2010.00295.x)
50. Guth W, Levati MV, Sutter M, Van der Heijden E. 2007 Leading by example with and without exclusion power in voluntary contribution experiments. J. Public Econ. 91, 1023-1042. (doi:10.1016/j.jpubeco.2006.10.007)
51. Potters J, Sefton M, Vesterlund L. 2007 Leading-byexample and signaling in voluntary contribution games: an experimental study. Econ. Theory 33, 169-182. (doi:10.1007/s00199-006-0186-3)
52. Anderson C, Brown CE. 2010 The functions and dysfunctions of hierarchy. Res. Organ. Behav. 30, 55-89. (doi:10.1016/j.riob.2010.08.002)
53. Blau P. 1964 Exchange and power in social life. New York, NY: Wiley.
54. Gutierrez NL, Hilborn R, Defeo O. 2011 Leadership, social capital and incentives promote successful fisheries. Nature 470, 386-389. (doi:10.1038/nature09689)
55. Baldassarri D, Grossman G. 2011 Centralized sanctioning and legitimate authority promote cooperation in humans. Proc. Natl Acad. Sci. USA 108, 11023-11027. (doi:10.1073/pnas.1105456108)
56. Fischhoff IR, Sundaresan SR, Cordingley J, Larkin HM, Sellier MJ, Rubenstein DI. 2007 Social relationships and reproductive state influence leadership roles in movements of plains zebra, Equus burchellii. Anim. Behav. 73, 825-831. (doi:10.1016/j.anbehav.2006.10.012)
57. Foley C, Pettorelli N, Foley L. 2008 Severe drought and calf survival in elephants. Biol. Lett. 4, 541-544. (doi:10.1098/rsbl.2008.0370)
58. Reebs SG. 2000 Can a minority of informed leaders determine the foraging movements of a fish shoal? Anim. Behav. 59, 403-409. (doi:10.1006/anbe.1999.1314)
59. Peterson RO, Jacobs AK, Drummer TD, Mech LD, Smith DW. 2002 Leadership behavior in relation to dominance and reproductive status in gray wolves, Canis lupus. Can. J. Zool. 80, 1405-1412. (doi:10.1139/z02-124)
60. King AJ, Douglas CMS, Huchard E, Isaac NJB, Cowlishaw G. 2008 Dominance and affiliation mediate despotism in a social primate. Curr. Biol. 18, 1833-1838. (doi:10.1016/j.cub.2008.10.048)
61. Overdorff DJ, Erhart EM, Mutschler T. 2005 Does female dominance facilitate feeding priority in black-and-white ruffed lemurs (Varecia variegata) in southeastern Madagascar? Am. J. Primatol. 66, 7-22. (doi:10.1002/ajp.20125)
62. Harcourt JL, Sweetman G, Johnstone RA, Manica A. 2009 Personality counts: the effect of boldness on shoal choice in three-spined sticklebacks. Anim. Behav. 77, 1501-1505. (doi:10.1016/j.anbehav.2009.03.004)
63. Kurvers RHJM, Prins HHT, van Wieren SE, van Oers K, Nolet BA, Ydenberg RC. 2010 The effect of personality on social foraging: shy barnacle geese scrounge more. Proc. R. Soc. B 277, 601-608. (doi:10.1098/rspb.2009.1474)
64. Gilby IC, Machanda ZP, Mjungu DC, Rosen J, Muller MN, Pusey AE, Wrangham RW. 2015 ‘Impact hunters’ catalyse cooperative hunting in two wild chimpanzee communities. Phil. Trans. R. Soc. B 370, 20150005. (doi:10.1098/rstb.2015.0005)
65. Wright J, Stone RE, Brown N. 2003 Communal roosts as structured information centres in the raven, Corvus corax. J. Anim. Ecol. 72, 1003-1014. (doi:10.1046/j.1365-2656.2003.00771.x)
66. Lindauer M. 1957 Communication among the honeybees and stingless bees of India. Bee World 38, 3-14; 34-39. (doi:10.1080/0005772X.1957.11094964)
67. King AJ, Johnson DDP, Van Vugt M. 2009 The origins and evolution of leadership. Curr. Biol. 19, R911-R916. (doi:10.1016/j.cub.2009.07.027)
68. Singh M, Boomsma J. 2015 Policing and punishment across the domains of social evolution. Oikos 124, 971-982. (doi:10.1111/oik.02064).
69. van Zweden JS, Furst MA, Heinze J, D’Ettorre P. 2007 Specialization in policing behaviour among workers in the ant Pachycondyla inversae. Proc. R. Soc. B 274, 1421-1428. (doi:10.1098/rspb.2007.0113)
70. Marshall L. 1960 Kung Bushman bands. Africa 30, 325-354. (doi:10.2307/1157596)
71. Lowie RH. 1948 Some aspects of political organization among the American aborigines. J. R. Anthropol. Inst. 78, 11-24. (doi:10.2307/2844522)
72. Spencer RF. 1959 The North Alaskan Eskimo: a study in ecology and society. Washington, DC: US Government Printing Office.
73. Weyer EM. 1932 The eskimos. New Haven, CT: Yale University Press.
74. Gusinde M. 1937 The Yanama: the life and thought of the water nomads of Cape Horn. Vienna, Austria: Anthropos.
75. Johnson A, Earle T. 2000 The evolution of human societies. Stanford, UK: Stanford University Press.
76. Kelly RL. 1995 The foraging spectrum: diversity in hunter-gatherer lifeways, xvi, 446 pp. Washington, DC: Smithsonian Institution Press.
77. von Rueden C. 2014 The roots and fruits of social status in small-scale human societies. In The psychology of social status (eds J Cheng, J Tracy, C Anderson). New York, NY: Springer.
78. Dyson-Hudson R, Smith EA. 1978 Human territoriality: an ecological reassessment. Am. Anthropol. 80, 21-41. (doi:10.1525/aa.1978.80.1.02a00020)
79. Boone J. 1992 Competition, conflict, and development of social hierarchies. In Evolutionary ecology and human behavior (eds EA Smith, B Winterhalder), pp. 301-337. New York, NY: Aldine de Gruyter.
80. Smith EA, Choi JK. 2007 The emergence of inequality in small-scale societies: simple scenarios and agent-based simulations. In The model based archaeology of socionatural systems (eds T Kohler, VD Leeuw), pp. 105-119; 241-244. Santa Fe, NM: SAR Press.
81. Carneiro R. 1970 A theory of the origin of the state. Science 169, 733-738. (doi:10.1126/science.169.3947.733)
82. Kennett D, Winterhalder B, Bartruff B, Erlandson J. 2009 An ecological model for the emergence of institutionalized social hierarchies on California’s Northern Channel Islands. In Pattern and process in cultural evolution (ed. S Shennan), pp. 297-314. Berkeley, CA: University of California Press.
83. Mulder MB et al. 2009 Intergenerational wealth transmission and the dynamics of inequality in small-scale societies. Science 326, 682-688. (doi:10.1126/science.1178336)
84. Boas F. 1921 Ethnology of the Kwakiutl, based on data collected by George Hunt. Washington, DC: US Government Printing Office.
85. Arnold J. 2010 The role of politically charged property in the appearance of institutionalized leadership: a view from the North American Pacific Coast. In The evolution of leadership: transitions in decision making from small-scale to middle-range societies (ed. J Kanter), pp. 121-146. Santa Fe, NM: SAR Press.
86. Kaplan HS, Hooper PL, Gurven M. 2009 The evolutionary and ecological roots of human social organization. Phil. Trans. R. Soc. B 364, 3289-3299. (doi:10.1098/rstb.2009.0115)
87. Boyd R, Richerson PJ. 1988 The evolution of reciprocity in sizable groups. J. Theor. Biol. 132, 337-356. (doi:10.1016/S0022-5193(88)80219-4)
88. Alberti G. 2014 Modeling group size and scalar stress by logistic regression from an archaeological perspective. PLoS ONE 9, e91510. (doi:10.1371/journal.pone.0091510)
89. Johnson GA. 1982 Organizational structure and scalar stress. In Theory and explanation in archaeology (eds C Renfrew, M Rowlands, BA Segraves-Whallon), pp. 389-421. New York, NY: Academic Press.
90. Diehl MW. 2000 Some thoughts on the study of hierarchies. In Hierarchies in action: cui bono? (ed. MW Diehl), pp. 11-30. Carbondale, IL: Southern Illinois University Press.
91. Service E. 1962 Primitive social organization: an evolutionary perspective. New York, NY: Random House.
92. Spisak B, O’Brien M, Nicholson N, Van Vugt M. 2015 Niche construction and the evolution of leadership. Acad. Manage. Rev. 40, 291-306. (doi:10.5465/amr.2013.0157)
93. Feinman GM, Neitzel J. 1984 Too many types: an overview of sedentary prestate societies in the Americas. Adv. Archaeol. Method Theory 7, 39-102. (doi:10.1016/b978-0-12-003107-8.50007-4)
94. Lewis H. 1974 Leaders and followers: some anthropological perspectives. Reading, MA: Addison-Wesley.
95. Price D. 1981 Nambiquara leadership. Am. Ethnol. 8, 686-708. (doi:10.1525/ae.1981.8.4.02a00020)
96. Werner D. 1981 Are some people more equal than others? Status inequalities among the Mekranoti Indians of central Brazil. J. Anthropol. Res. 37, 360-373.
97. Wiessner P. 2010 The power of one? Big men revisited. In The evolution of leadership: transitions in decision making from small-scale to middle-range societies (eds J Kanter, K Vahn, J Earkins), pp. 195-222. Santa Fe, NM: SAR Press.
98. Van Vugt M, Hogan R, Kaiser RB. 2008 Leadership, followership, and evolution: some lessons from the past. Am. Psychol. 63, 182-196. (doi:10.1037/0003-066X.63.3.182)
99. Chagnon NA. 1983 Yanomamo: the fierce people. New York, NY: Holt, Rinehart and Winston.
100. von Rueden C, Gurven M. 2012 When the strong punish: why net costs of punishment are often negligible. Behav. Brain Sci. 35, 43-44. (doi:10.1017/S0140525X11001427)
101. Wiessner P. 2005 Norm enforcement among the Ju/’hoansi bushmen. Hum. Nat. 16, 115-145. (doi:10.1007/s12110-005-1000-9)
102. de Weerd H, Verbrugge R. 2011 Evolution of altruistic punishment in heterogeneous populations. J. Theor. Biol. 290, 88-103. (doi:10.1016/j.jtbi.2011.08.034)
103. Przepiorka W, Diekmann A. 2013 Individual heterogeneity and costly punishment: a volunteer’s dilemma. Proc. R. Soc. B 280, 20130247. (doi:10.1098/rspb.2013.0247)
104. Gordon DS, Madden JR, Lea SEG. 2014 Both loved and feared: third party punishers are viewed as formidable and likeable, but these reputational benefits may only be open to dominant indivdiuals. PLoS ONE 9, e110045. (doi:10.1371/journal.pone.0110045)
105. Schniter E, Gurven M, Kaplan H, Wilcox N, Hooper PL. 2015 Skill ontogeny among Tsimane foragerhorticulturalists. Am. J. Phys. Anthropol. 158, 3-18. (doi:10.1002/ajpa.22757)
106. Baltes PB, Smith J. 1990 Towards a psychology of wisdom and its ontogenesis. In Wisdom, its nature, origins, and development (ed. RJ Sternberg), pp. 87-120. Cambridge, UK: Cambridge University Press.
107. Lukaszewski AW, von Rueden CR. 2015 The extraversion continuum in evolutionary perspective: a review of recent theory and evidence. Pers. Indiv. Differ 77, 186-192. (doi:10.1016/j.paid.2015.01.005)
108. Hudson T, Underhay E. 1978 Crystals in the sky: an intellectual odyssey involving Chumash astronomy, cosmology, and rock art. Socorro, NM: Ballena Press.
109. Patton JQ. 2005 Meat sharing for coalitional support. Evolution and human behavior 26, 137-157. (doi:10.1016/j.evolhumbehav.2004.08.008)
110. Boone JL, Kessler KL. 1999 More status or more children? Social status, fertility reduction, and longterm fitness. Evol. Hum. Behav. 20, 257-277. (doi:10.1016/S1090-5138(99)00011-2)
111. Gurven M, Kaplan H, Supa AZ. 2007 Mortality experience of Tsimane amerindians of Bolivia: regional variation and temporal trends. Am. J. Hum. Biol. 19, 376-398. (doi:10.1002/ajhb.20600)
112. Hooper PL, DeDeo S, Caldwell Hooper AE, Gurven M, Kaplan HS. 2013 Dynamical structure of a traditional Amazonian social network. Entropy 15, 4932-4955. (doi:10.3390/e15114932)
113. von Rueden C, Trumble B, Thompson M, Stieglitz J, Hooper PL, Blackwell A, Kaplan H, Gurven M. 2014 Political influence associates with cortisol and health among egalitarian forager-farmers. Evol. Med. Public Health 1, 122-133. (doi:10.1093/emph/eou021)
114. von Rueden C. 2011 The acquisition of social status by males in small-scale human societies (with an empahsis on the Tsimane of Boliva). PhD dissertation, University of California, Santa Barbara, CA, USA.
115. Glowacki L. 2015 Incentives for war in small-scale societies. PhD dissertation, Harvard University, Cambridge, MA, USA.
116. Tornay S. 1981 The Nyangatom: an outline of their ecology and social organization. In Peoples and cultures of the Ethio-Sudan borderlands (ed. ML Bender), pp. 137-178. East Lansing, MI: African Studies Center, Michigan State University.
117. Glowacki L, Wrangham R. 2015 Warfare and reproductive success in a tribal population. Proc. Natl Acad. Sci. USA 112, 348-353. (doi:10.1073/pnas.1412287112)
118. Boehm C. 1999 Hierarchy in the forest: the evolution of egalitarian behavior. Cambridge, MA: Harvard University Press.
119. von Rueden C, Gurven M, Kaplan H. 2008 The multiple dimensions of male social status in an Amazonian society. Evol. Hum. Behav. 29, 402-415. (doi:10.1016/j.evolhumbehav.2008.05.001)
120. Low B. 1992 Sex, coalitions, and politics in preindustrial societies. Polit. Life Sciences 9, 1-18.
121. Vandermassen G. 2008 Can Darwinian feminism save female autonomy and leadership in egalitarian society? Sex Roles 59, 482-491. (doi:10.1007/s11199-008-9478-3)
122. Lee R. 1982 Politics, sexual and nonsexual, in an egalitarian society. In Politics and history in band societies (eds E Leacock, R Lee). New York, NY: Cambridge University Press.
123. Rucas S. 2015 Cooperation drives competition among Tsimane women in the Bolivian Amazon. In The Oxford Handbook of Women and Competition (ed. M Fisher). Oxford, UK: Oxford University Press.
124. Glowacki L, Gönc K. 2013 Customary institutions and traditions in pastoralist societies: neglected potential for conflict resolution. Conflict Trends 2013, 26-32.
125. Browser B, Patton J. 2010 Women’s leadership: political alliance, economic resources, and reproductive success in the Ecuadorian Amazon. In The evolution of leadership: transitions in decision making from small-scale to middle-range societies (eds KJ Vaughn, JW Eerkens, J Kanter), pp. 51-71. Santa Fe, NM: SAR Press.
126. von Rueden C, Gurven M, Kaplan H. 2011 Why do men seek status? Fitness payoffs to dominance and prestige. Proc. R. Soc. B 278, 2223-2232. (doi:10.1098/rspb.2010.2145)
127. Roscoe P. 2009 Social signaling and the organization of small-scale society: the case of contact-era New Guinea. J. Archaeol. Method Theory 16, 69-116. (doi:10.1007/s10816-009-9062-3)
128. Roscoe P. 2000 New Guinea leadership as ethnographic analogy: a critical review. J. Archaeol. Method Theory 7, 9-126. (doi:10.1023/A:1009512726844)