diff --git a/01_Topic/topic.bib b/01_Topic/topic.bib index a286542..082e180 100644 --- a/01_Topic/topic.bib +++ b/01_Topic/topic.bib @@ -773,10 +773,45 @@ OCLC: 935904837} journaltitle = {Psychological review}, date = {1996}, pages = {687}, - keywords = {group-decisions,bias}, + keywords = {bias,group-decisions}, author = {Kerr, Norbert L and MacCoun, Robert J and Kramer, Geoffrey P}, file = {C\:\\Users\\Hannes.Kuchelmeister\\Zotero\\storage\\HQGR93PH\\Kerr et al_1996_Bias in judgment.pdf}, publisher = {{American Psychological Association}} } +@article{charnessSilenceGoldenTeam2019, + langid = {english}, + title = {Silence Is Golden: Team Problem Solving and Communication Costs}, + issn = {1386-4157, 1573-6938}, + url = {http://link.springer.com/10.1007/s10683-019-09627-w}, + doi = {10.1007/s10683-019-09627-w}, + shorttitle = {Silence Is Golden}, + abstract = {We conduct experiments comparing the performance of individuals and teams of four subjects in solving two rather different tasks. The first involves nonograms (numerical logic puzzle). Here the solution requires a series of incremental steps. The second task uses CRT-type questions, which require a single, specific insight. Contrary to the existing literature, team performance in both tasks is statistically indistinguishable from that of individuals when there is no cost to sending a message. If a tiny message cost is imposed, team performance improves and becomes statistically better than that of individuals, although still worse than previous research on teams would have suggested. Message costs reduce the quantity of messages but increase the quality, specifically the mix of good and bad suggestions. The improved quality of communication with message costs allows teams to outperform individuals.}, + journaltitle = {Experimental Economics}, + shortjournal = {Exp Econ}, + urldate = {2019-10-30}, + date = {2019-10-19}, + author = {Charness, Gary and Cooper, David J. and Grossman, Zachary}, + file = {C\:\\Users\\Hannes.Kuchelmeister\\Zotero\\storage\\L24AG7GK\\Charness et al. - 2019 - Silence is golden team problem solving and commun.pdf} +} + +@article{carboneIndividualVsGroup2019, + langid = {english}, + title = {Individual vs. Group Decision-Making: An Experiment on Dynamic Choice under Risk and Ambiguity}, + volume = {87}, + issn = {0040-5833, 1573-7187}, + url = {http://link.springer.com/10.1007/s11238-019-09694-8}, + doi = {10.1007/s11238-019-09694-8}, + shorttitle = {Individual vs. Group Decision-Making}, + abstract = {This paper focuses on the comparison of individual and group decision making, in a stochastic inter-temporal problem in two decision environments, namely risk and ambiguity. Using a consumption/saving laboratory experiment, we investigate behaviour in four treatments: (1) individual choice under risk; (2) group choice under risk; (3) individual choice under ambiguity and (4) group choice under ambiguity. Comparing decisions within and between decision environments, we find an anti-symmetric pattern. While individuals are choosing on average closer to the theoretical optimal predictions, compared to groups in the risk treatments, groups tend to deviate less under ambiguity. Within decision environments, individuals deviate more when they choose under ambiguity, while groups are better planners under ambiguity rather than under risk. Our results extend the often observed pattern of individuals (groups) behaving more optimally under risk (ambiguity), to its dynamic dimension.}, + number = {1}, + journaltitle = {Theory and Decision}, + shortjournal = {Theory Decis}, + urldate = {2019-10-30}, + date = {2019-07}, + pages = {87-122}, + author = {Carbone, Enrica and Georgalos, Konstantinos and Infante, Gerardo}, + file = {C\:\\Users\\Hannes.Kuchelmeister\\Zotero\\storage\\QMM4YRBJ\\Carbone et al. - 2019 - Individual vs. group decision-making an experimen.pdf} +} + diff --git a/02_Proposal/proposal.bib b/02_Proposal/proposal.bib index a286542..082e180 100644 --- a/02_Proposal/proposal.bib +++ b/02_Proposal/proposal.bib @@ -773,10 +773,45 @@ OCLC: 935904837} journaltitle = {Psychological review}, date = {1996}, pages = {687}, - keywords = {group-decisions,bias}, + keywords = {bias,group-decisions}, author = {Kerr, Norbert L and MacCoun, Robert J and Kramer, Geoffrey P}, file = {C\:\\Users\\Hannes.Kuchelmeister\\Zotero\\storage\\HQGR93PH\\Kerr et al_1996_Bias in judgment.pdf}, publisher = {{American Psychological Association}} } +@article{charnessSilenceGoldenTeam2019, + langid = {english}, + title = {Silence Is Golden: Team Problem Solving and Communication Costs}, + issn = {1386-4157, 1573-6938}, + url = {http://link.springer.com/10.1007/s10683-019-09627-w}, + doi = {10.1007/s10683-019-09627-w}, + shorttitle = {Silence Is Golden}, + abstract = {We conduct experiments comparing the performance of individuals and teams of four subjects in solving two rather different tasks. The first involves nonograms (numerical logic puzzle). Here the solution requires a series of incremental steps. The second task uses CRT-type questions, which require a single, specific insight. Contrary to the existing literature, team performance in both tasks is statistically indistinguishable from that of individuals when there is no cost to sending a message. If a tiny message cost is imposed, team performance improves and becomes statistically better than that of individuals, although still worse than previous research on teams would have suggested. Message costs reduce the quantity of messages but increase the quality, specifically the mix of good and bad suggestions. The improved quality of communication with message costs allows teams to outperform individuals.}, + journaltitle = {Experimental Economics}, + shortjournal = {Exp Econ}, + urldate = {2019-10-30}, + date = {2019-10-19}, + author = {Charness, Gary and Cooper, David J. and Grossman, Zachary}, + file = {C\:\\Users\\Hannes.Kuchelmeister\\Zotero\\storage\\L24AG7GK\\Charness et al. - 2019 - Silence is golden team problem solving and commun.pdf} +} + +@article{carboneIndividualVsGroup2019, + langid = {english}, + title = {Individual vs. Group Decision-Making: An Experiment on Dynamic Choice under Risk and Ambiguity}, + volume = {87}, + issn = {0040-5833, 1573-7187}, + url = {http://link.springer.com/10.1007/s11238-019-09694-8}, + doi = {10.1007/s11238-019-09694-8}, + shorttitle = {Individual vs. Group Decision-Making}, + abstract = {This paper focuses on the comparison of individual and group decision making, in a stochastic inter-temporal problem in two decision environments, namely risk and ambiguity. Using a consumption/saving laboratory experiment, we investigate behaviour in four treatments: (1) individual choice under risk; (2) group choice under risk; (3) individual choice under ambiguity and (4) group choice under ambiguity. Comparing decisions within and between decision environments, we find an anti-symmetric pattern. While individuals are choosing on average closer to the theoretical optimal predictions, compared to groups in the risk treatments, groups tend to deviate less under ambiguity. Within decision environments, individuals deviate more when they choose under ambiguity, while groups are better planners under ambiguity rather than under risk. Our results extend the often observed pattern of individuals (groups) behaving more optimally under risk (ambiguity), to its dynamic dimension.}, + number = {1}, + journaltitle = {Theory and Decision}, + shortjournal = {Theory Decis}, + urldate = {2019-10-30}, + date = {2019-07}, + pages = {87-122}, + author = {Carbone, Enrica and Georgalos, Konstantinos and Infante, Gerardo}, + file = {C\:\\Users\\Hannes.Kuchelmeister\\Zotero\\storage\\QMM4YRBJ\\Carbone et al. - 2019 - Individual vs. group decision-making an experimen.pdf} +} + diff --git a/02_Proposal/sections/10_foundations.tex b/02_Proposal/sections/10_foundations.tex index 8097967..e95f3aa 100644 --- a/02_Proposal/sections/10_foundations.tex +++ b/02_Proposal/sections/10_foundations.tex @@ -2,13 +2,13 @@ \label{ch:Foundations} \section{Recommender System} -\label{Foundations:RecommenderSystem} +\label{sec:Foundations:RecommenderSystem} A recommender system is a system that gives individualized recommendations to users to guide them through a large space of objects \cite[~ p. 331]{burkeHybridRecommenderSystems}. \section{Product Configuration} -\label{Foundations:ProductConfiguration} +\label{sec:Foundations:ProductConfiguration} Product configuration is a process consisting of a series of decision tasks whereby a product is constructed of components which interact with each other. During a configuration process no new components are created. Their interplay and specification is defined beforehand \cite[~ p. 42, 43]{sabinProductConfigurationFrameworksa1998}. @@ -20,18 +20,18 @@ where \( V = \{v_1,\dots, v_n\} \) is a set of variables, \( D = dom : V \mapsto \section{Group-Based Product Configuration} -\label{Foundations:GroupBasedProductConfiguration} +\label{sec:Foundations:GroupBasedProductConfiguration} -To define group-based product configuration we extend the definition (\ref{Foundations:ProductConfiguration}) to +To define group-based product configuration we extend the definition (\ref{sec:Foundations:ProductConfiguration}) to \[ C_{PREF} = \bigcup PREF_i \] with preferences of user \( i \) as \( PREF_i \) \cite{ felferningGroupBasedConfiguration2016}. \section{Group-Based Configuration-Solution} -\label{Foundations:GroupBasedConfigurationSolution} +\label{sec:Foundations:GroupBasedConfigurationSolution} -\ref{Foundations:ProductConfiguration} and \ref{Foundations:GroupBasedProductConfiguration} expand to a solution of a group-based configuration with the addition of variable assignments +\ref{sec:Foundations:ProductConfiguration} and \ref{sec:Foundations:GroupBasedProductConfiguration} expand to a solution of a group-based configuration with the addition of variable assignments \[ C_{CONF} = \bigcup_{v_i \in V} \{ v_i = x_i \}, \ x_i \in dom(v_i) \]