Similar Search Results

The evolution of song in female birds in Europe

Garamszegi, László Zsolt; Pavlova, Denitza Zaprianova; … - In: Behavioral Ecology 18 (2007) 1, pp. 86-96

Bird song is usually regarded as an attribute of males. However, in some species, females may also produce songs even with comparable complexity to that of males. It has been suggested that female song may evolve due to similar selection pressures acting on males, but no study has yet...

Persistent link: https://www.econbiz.de/10008581350

The opportunity costs of childbearing: More than mothers' business

Joshi, Heather - In: Journal of Population Economics 11 (1998) 2, pp. 161-183

This paper is an argument about gender relations. It takes the entwined themes of men`s interests in parenthood, the sex division of labour and its evolution, policy for gender equity and policy to support the level of social reproduction. The emphasis on women`s employment as a determinant of...

Persistent link: https://www.econbiz.de/10005622313

A Note on Leisure Inequality in the US: 1965-2003

Sanz, Almudena Sevilla; Nadal, Jose Ignacio GImenez - Department of Economics, Oxford University - 2007

Despite the well-documented increase in the relative wages and expenditures of highly-educated individuals in the U.S. in recent decades, leisure inequality mirrors inequality of wages, i.e. we observe that highly-educated individuals have now relatively less leisure time than lower-educated...

Persistent link: https://www.econbiz.de/10005047706

Personnel Economics essay: Issues in Human Capital Theory, training and earnings of workers

Josheski, Dushko - Deutsche Zentralbibliothek für … - 2014

the issue of grooming has been investigated in relation with earnings for which there exist and it is presented empirical …

Persistent link: https://www.econbiz.de/10010957797

Grooming and agonistic support: a meta-analysis of primate reciprocal altruism

Schino, Gabriele - In: Behavioral Ecology 18 (2007) 1, pp. 115-120

Grooming and agonistic support are 2 common primate behaviors that have been hypothesized to constitute examples of … reciprocal altruism. In particular, because primates often direct their grooming up the dominance hierarchy, it has been … suggested that they may exchange grooming for agonistic support. Empirical tests of this hypothesis have resulted in highly …

Persistent link: https://www.econbiz.de/10008581472

Grooming among female Japanese macaques: distinguishing between reciprocation and interchange

Schino, Gabriele; Ventura, Raffaella; Troisi, Alfonso - In: Behavioral Ecology 14 (2003) 6, pp. 887-891

Grooming among female Japanese macaques (Macaca fuscata) was studied to test some predictions derived from the … application of biological market theory. Contrary to expectations, Japanese macaques did not time match the duration of grooming … reciprocated and nonreciprocated grooming in different ways. However, they did reciprocate total amount of grooming received. These …

Persistent link: https://www.econbiz.de/10008581772

Grooming in desert bighorn sheep (Ovis canadensis mexicana) and the ghost of parasites past

Mooring, Michael S.; Hart, Benjamin L.; Fitzpatrick, … - In: Behavioral Ecology 17 (2006) 3, pp. 364-371

Ectoparasites such as ticks have a negative effect on host fitness, whereas parasite-defense grooming is effective in … removing ticks. The central control (programmed grooming) model proposes that animals engage in preventive tick …-defense grooming in response to an internal timing mechanism, even in the absence of peripheral stimulation from parasites. This model …

Persistent link: https://www.econbiz.de/10008581922

Personnel Economics essay: Issues in Human Capital Theory, training and earnings of workers

Josheski, Dushko - Volkswirtschaftliche Fakultät, … - 2014

the issue of grooming has been investigated in relation with earnings for which there exist and it is presented empirical …

Persistent link: https://www.econbiz.de/10011260932

When Honest Signals Must Be Costly

Lachmann, Michael; Bergstrom, Carl T. - Santa Fe Institute - 1999

In an influential paper, Grafen (1990) provided a mathematical demonstration of the validity of Zahavi's handicap principle . Grafen showed how an honest signalling system is stabilized through costly signalling: cost stabilizes the system when the cost of lying is greater than any benefit...

Persistent link: https://www.econbiz.de/10005739944

The Origin of Utility

De Fraja, Gianni - C.E.P.R. Discussion Papers - 2006

This paper proposes an explanation for the universal human desire for increasing consumption. It holds that it was moulded in evolutionary times by a mechanism known to biologists as sexual selection, whereby a certain trait - observable consumption - is used by members of one sex to signal...

Persistent link: https://www.econbiz.de/10005123507