Navigation Links
Fair play in chimpanzees
Date:10/5/2007

This release is also availabe in German.

In the ultimatum game - which was developed by another German, Werner Güth, now at the Max Planck Institute for Economics in Jena - one person, the proposer, is given money by an experimenter. That proposer can then divide the "manna from heaven" with a second person, the responder. The responder is not powerless - if he accepts the division, both people take home the offered amounts. But if he rejects it, both get nothing. The fear of having an unfair offer rejected causes the proposer to make a fair offer. People typically make offers of close to 50%. Anything less is likely to be rejected. Sensitivity to unfair offers and a willingness to pay a cost to punish someone contradicts economic models of pure self-interest, and they have been claimed to be unique to humans.

In a study reported in Science on October 5th, the researchers confronted our closest living relatives, chimpanzees, to a simplified version of the ultimatum game. The proposer would propose an offer of raisins to the responder by partially pulling out a tray of raisins as far as he could. If the responder accepted the division of raisins, he would pull the tray the rest of the way and the two would be able eat. However, if the responder did not like what he saw, he would not pull the tray and neither of them would get anything to eat.

In each version of this mini-ultimatum game, the proposer could pull one tray with 8 raisins for himself and 2 for the other (an unfair split that people routinely reject). However, the proposer would have a choice. In one game, he could choose between this unfair offer and a fair one (5 raisins each). In another, he could choose a hyper-fair option (2 for himself and 8 for the responder). In a third, he had no choice (the second tray also had 8 for himself and 2 for the other). In the fourth game, the prop
'/>"/>

Contact: Keith Jensen
jensen@eva.mpg.de
49-341-355-0416
Max-Planck-Gesellschaft
Source:Eurekalert

Page: 1 2

Related biology news :

1. Retrovirus struck ancestors of chimpanzees and gorillas millions of years ago, but did not affect ancestral humans
2. Poaching, logging, and outbreaks of Ebola threaten central African gorillas and chimpanzees
3. Chimpanzees can transmit cultural behavior to multiple generations
4. UAB researchers confirm HIV-1 originated in wild chimpanzees
5. Male chimpanzees prefer mating with old females
6. Road-crossing in chimpanzees: A risky business
7. Chimpanzees found to use tools to hunt mammalian prey
8. Gene study shows three distinct groups of chimpanzees
9. Ebola outbreaks killing thousands of gorillas and chimpanzees
10. Female-led infanticide in wild chimpanzees
11. New collaborative research reveals chimpanzees can sustain multiple-tradition cultures
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:10/18/2014)... In a sample of patients with undiagnosed, suspected genetic ... associated with a higher molecular diagnostic yield than traditional ... JAMA . The study is being released to ... meeting. , Exome sequencing, which sequences the protein­coding region ... genetic material present in a cell or organism), has ...
(Date:10/17/2014)... . Why do ... to reproduce? And why are there two sexes anyway? These ... of the research journal Molecular Human Reproduction published ... Bielefeld University Bielefeld has compiled this special issue on sperm ... to copulate with several males in quick succession – chimpanzees ...
(Date:10/17/2014)... available in German . ... few drugs. When treating overdoses, doctors are often limited to ... if there is a combination of drugs involved. So what ... swallows his grandmother,s pills? ETH professor Jean-Christophe Leroux from the ... an answer to this question. "The task was to develop ...
Breaking Biology News(10 mins):Study examines type of exome sequencing and molecular diagnostic yield 2Study examines type of exome sequencing and molecular diagnostic yield 3Sperm wars 2Emergency aid for overdoses 2Emergency aid for overdoses 3
... (Santa Barbara, Calif.) Viruses fill the ocean ... marine microbiology, according to a professor of biology at ... Carlson, professor with UCSB,s Department of Ecology, Evolution, and ... of marine viruses published this week by the ...
... transport system inside living cells is a well-oiled machine with ... around the cell. These molecular motors are responsible for a ... on the go. They can put themselves into "energy save ... what gets moved around the cell, and when. ...
... is available in Spanish . A ... what is causing the decline in bumble bee populations and ... the next generation of greenhouse pollinators. Bumble bees, like ... used to pollinate greenhouse crops like peppers and tomatoes. But ...
Cached Biology News:Decade-long study reveals recurring patterns of viruses in the open ocean 2Decade-long study reveals recurring patterns of viruses in the open ocean 3Carnegie Mellon scientists discover how molecular motors go into 'energy save mode' 2Carnegie Mellon scientists discover how molecular motors go into 'energy save mode' 3The flight of the bumble bee: Why are they disappearing? 2
(Date:10/20/2014)... 20, 2014 Convey Computer , ... team from Iowa State University won first place in ... a Convey HC-2ex, the team’s solution achieved the highest ... than the second place finisher. , Experts from all ... the month long challenge, using a variety of design ...
(Date:10/20/2014)... GUELPH, ON , Oct. 20, 2014 /PRNewswire/ - BIOREM Inc. ... totalling $1.7 million which brings Q3 orders to $5.8 million and ... odour control projects in North America and ... "We continue to bid new projects at record levels," said ... values were higher at the end of Q3 than they have ...
(Date:10/20/2014)... 2014  GenVec, Inc. (NASDAQ: GNVC ) today ... from its board of directors effective on October 24, 2014.  ... served as its chairman from June 2006 to November 2013.  ... Corporate Governance and Audit Committees of the board.  ... of dedicated service to GenVec, and its stockholders," said ...
(Date:10/20/2014)... OncLive® is pleased ... at Thomas Jefferson University has joined its Strategic ... Alliance Partnership program, the Sidney Kimmel Cancer Center ... awareness of the Center’s cutting-edge research programs, comprehensive ... and other health care professionals from the Sidney ...
Breaking Biology Technology:Team from Iowa State Wins 2014 MemoCODE Design Contest Using Convey HC-2ex 2Team from Iowa State Wins 2014 MemoCODE Design Contest Using Convey HC-2ex 3Zola P. Horovitz To Retire From GenVec Board 2Sidney Kimmel Cancer Center at Thomas Jefferson University Partners With OncLive 2Sidney Kimmel Cancer Center at Thomas Jefferson University Partners With OncLive 3
... Another Key Regulatory MilestoneLONDON, March 10 Monsanto,s historic ... and biotechnology has contributed to a 24 percent compound ... segment since 2001. This is one of the ... Commercial, will tell investors today as part of a ...
... has long been known for its world-record-breaking carbon ... have discovered new uses by spinning carbon nanotubes ... , Breakthroughs Without Broken Threads ... to grow carbon nanotubes of world-record breaking lengths, ...
... American Pacific Corporation (Nasdaq: APFC ) is ... Chemicals LLC (AFC), located near Sacramento California, recently inaugurated ... The new facility can accommodate either batch reactors (20 ... using up to 7 reactors from 0.25 to 1 ...
Cached Biology Technology:Monsanto's Historic R&D Investment has Contributed to Mid-20s Gross Profit Growth for Its Seeds and Genomics Segment 2Monsanto's Historic R&D Investment has Contributed to Mid-20s Gross Profit Growth for Its Seeds and Genomics Segment 3Spinning carbon nanotubes spawns new wireless applications 2AMPAC Fine Chemicals Announces the Inauguration of the New cGMP Continuous Processing Development Facility 2
... is an evolutionarily conserved form of cell ... The central component of this process ... caspases. These enzymes participate in a ... response to pro-apoptotic signals and result in ...
... is manufactured for DNA purification from agarose ... UV light. The Purification of DNA from ... DNA-cloning work. The conventional method of visualizing ... UV light damages DNA and significantly decreases ...
...
CleanBox DNA workstation with two 254nm UV lambs & 12-hr timer, 90cm (36-inch)width, single door, 115V (w/crating)...
Biology Products: